课程代码仓库初始化:Part1 (144) + Part3 (29) 全量生成与验证
把川大 wiki「02.Qt方向」课程代码整理为 CMake 管理的可编译运行项目。
Part1 C/C++ 强化 (p01/, 144 目标, host gcc/g++ 构建, 全绿):
- 修复全部编译失败:补 <cstring>/<fstream>/<iomanip>/<vector> 等缺失头
(common_fix + infer_stl_includes 自动检测注入)、修正 pause() 壳注入
(改检测已转换后的 pause 调用)、namespace 提升出函数体、const 成员函数
正确性、dedupe 不再破坏函数重载集、K&R 隐式 int / 动态异常规范等
C++17 移除特性的可编译等价改写。
- 目录采用深缩写 p01/ch04/s03/ (原 part1_cpp/ch04_class_object/03_ctor_dtor)。
Part3 Qt 桌面 (p03/, 29 目标, 隔离 Qt 5.14.2 构建, 全绿):
- gen_part3.py: Qt 外壳模板 (main+QApplication+show, QTimer 自动退出便于
offscreen 验证)、AUTOMOC + .moc include、rewrite_* 处理散文混入/重载/
资源依赖、生成占位 png/gif + .qrc + rundata 样例数据。
- 修正 QLable 笔误、全角分号、.→->、Windows 路径、QApplication 阻塞事件
循环改为 QCoreApplication 等。
任务1 概念/版本验证:
- tools/std_probe.py: 跨 -std= 编译探针 (--pedantic-errors 让已废除特性硬失败)。
- tools/demo_versions/: K&R 隐式 int、三目左值、void* 转换、enum 赋整、
const 经指针、动态异常规范 共 6 个跨版本演示。
- docs/VERSION_NOTES.md: 每条「原文说法→C17/C++17 是否成立→何版本成立→已验证」。
文档: 顶层 README、docs/SOURCE_PAGES.md (页面→目录映射)、
docs/ERRATA.md (Part1 修正)、docs/ERRATA_part3.md (Part3 修正)。
另修复 tools/run.sh / run_qt.sh 的 ${1:?...} 引号语法 bug。
隔离 Qt 验证: ldd 0 系统 Qt 引用; 173/173 目标全绿; p03 offscreen 运行通过。
This commit is contained in:
@@ -0,0 +1,39 @@
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# Auto-generated by tools/gen_part1.py — do not edit by hand.
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# 章节:p01/ch07
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add_executable(p1c07_01 exception_basics.cpp)
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set_target_properties(p1c07_01 PROPERTIES C_STANDARD 17 C_STANDARD_REQUIRED ON C_EXTENSIONS OFF)
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set_target_properties(p1c07_01 PROPERTIES CXX_STANDARD 17 CXX_STANDARD_REQUIRED ON CXX_EXTENSIONS OFF)
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target_compile_options(p1c07_01 PRIVATE -Wall -Wextra)
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add_executable(p1c07_02 exception_syntax.cpp)
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set_target_properties(p1c07_02 PROPERTIES C_STANDARD 17 C_STANDARD_REQUIRED ON C_EXTENSIONS OFF)
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set_target_properties(p1c07_02 PROPERTIES CXX_STANDARD 17 CXX_STANDARD_REQUIRED ON CXX_EXTENSIONS OFF)
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target_compile_options(p1c07_02 PRIVATE -Wall -Wextra)
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add_executable(p1c07_03 exception_type_matching.cpp)
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set_target_properties(p1c07_03 PROPERTIES C_STANDARD 17 C_STANDARD_REQUIRED ON C_EXTENSIONS OFF)
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set_target_properties(p1c07_03 PROPERTIES CXX_STANDARD 17 CXX_STANDARD_REQUIRED ON CXX_EXTENSIONS OFF)
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target_compile_options(p1c07_03 PRIVATE -Wall -Wextra)
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add_executable(p1c07_04 stack_unwinding.cpp)
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set_target_properties(p1c07_04 PROPERTIES C_STANDARD 17 C_STANDARD_REQUIRED ON C_EXTENSIONS OFF)
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set_target_properties(p1c07_04 PROPERTIES CXX_STANDARD 17 CXX_STANDARD_REQUIRED ON CXX_EXTENSIONS OFF)
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target_compile_options(p1c07_04 PRIVATE -Wall -Wextra)
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add_executable(p1c07_05 exception_specification.cpp)
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set_target_properties(p1c07_05 PROPERTIES C_STANDARD 17 C_STANDARD_REQUIRED ON C_EXTENSIONS OFF)
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set_target_properties(p1c07_05 PROPERTIES CXX_STANDARD 17 CXX_STANDARD_REQUIRED ON CXX_EXTENSIONS OFF)
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target_compile_options(p1c07_05 PRIVATE -Wall -Wextra)
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add_executable(p1c07_06 exception_variable_lifetime.cpp)
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set_target_properties(p1c07_06 PROPERTIES C_STANDARD 17 C_STANDARD_REQUIRED ON C_EXTENSIONS OFF)
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set_target_properties(p1c07_06 PROPERTIES CXX_STANDARD 17 CXX_STANDARD_REQUIRED ON CXX_EXTENSIONS OFF)
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target_compile_options(p1c07_06 PRIVATE -Wall -Wextra)
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add_executable(p1c07_07 exception_polymorphism.cpp)
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set_target_properties(p1c07_07 PROPERTIES C_STANDARD 17 C_STANDARD_REQUIRED ON C_EXTENSIONS OFF)
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set_target_properties(p1c07_07 PROPERTIES CXX_STANDARD 17 CXX_STANDARD_REQUIRED ON CXX_EXTENSIONS OFF)
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target_compile_options(p1c07_07 PRIVATE -Wall -Wextra)
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add_executable(p1c07_08 std_exception_library.cpp)
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set_target_properties(p1c07_08 PROPERTIES C_STANDARD 17 C_STANDARD_REQUIRED ON C_EXTENSIONS OFF)
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set_target_properties(p1c07_08 PROPERTIES CXX_STANDARD 17 CXX_STANDARD_REQUIRED ON CXX_EXTENSIONS OFF)
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target_compile_options(p1c07_08 PRIVATE -Wall -Wextra)
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add_executable(p1c07_09 custom_exception_class.cpp)
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set_target_properties(p1c07_09 PROPERTIES C_STANDARD 17 C_STANDARD_REQUIRED ON C_EXTENSIONS OFF)
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set_target_properties(p1c07_09 PROPERTIES CXX_STANDARD 17 CXX_STANDARD_REQUIRED ON CXX_EXTENSIONS OFF)
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target_compile_options(p1c07_09 PRIVATE -Wall -Wextra)
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add_custom_target(all_p01_ch07 DEPENDS p1c07_01 p1c07_02 p1c07_03 p1c07_04 p1c07_05 p1c07_06 p1c07_07 p1c07_08 p1c07_09)
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@@ -0,0 +1,88 @@
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// ============================================================================
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// p1c07_09 — 7.3.2 编写自己的异常类
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// 来源:川大 C++/LinuxC wiki「02.Qt方向」
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// 说明:本文件由 gen_part1.py 合并页面中的教学片段而成。每个片段用
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// // --- 原文片段 [pageId:blockIdx] --- 标注出处。
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// 已做最小修正(笔误/平台移植),详见 docs/ERRATA.md。
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// ============================================================================
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#include <iostream>
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using namespace std;
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// --- 原文片段 [58954474:8] 7.3.2 编写自己的异常类 ---
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//自定义异常类
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class MyOutOfRange:public exception
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{
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public:
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MyOutOfRange(const string errorInfo)
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{
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this->m_Error = errorInfo;
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}
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MyOutOfRange(const char * errorInfo)
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{
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this->m_Error = string( errorInfo);
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}
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virtual ~MyOutOfRange()
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{
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}
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virtual const char* what() const noexcept {
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return this->m_Error.c_str() ;
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}
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string m_Error;
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};
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class Person
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{
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public:
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Person(int age)
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{
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if (age <= 0 || age > 150)
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{
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//抛出异常 越界
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//cout << "越界" << endl;
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//throw out_of_range("年龄必须在0~150之间");
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//throw length_error("长度异常");
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throw MyOutOfRange(("我的异常 年龄必须在0~150之间"));
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}
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else
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{
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this->m_Age = age;
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}
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}
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int m_Age;
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};
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void test01()
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{
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try
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{
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Person p(151);
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}
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catch ( out_of_range & e )
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{
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cout << e.what() << endl;
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}
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catch (length_error & e)
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{
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cout << e.what() << endl;
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}
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catch (MyOutOfRange e)
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{
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cout << e.what() << endl;
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}
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}
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// --- main ---
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int main() {
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test01();
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return 0;
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}
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@@ -0,0 +1,57 @@
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// ============================================================================
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// p1c07_01 — 7.1 异常基本概念
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// 来源:川大 C++/LinuxC wiki「02.Qt方向」
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// 说明:本文件由 gen_part1.py 合并页面中的教学片段而成。每个片段用
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// // --- 原文片段 [pageId:blockIdx] --- 标注出处。
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// 已做最小修正(笔误/平台移植),详见 docs/ERRATA.md。
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// ============================================================================
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#include <iostream>
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using namespace std;
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// --- 原文片段 [58954474:0] 7.1 异常基本概念 ---
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//如果判断返回值,那么返回值是错误码还是结果?
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//如果不判断返回值,那么b==0时候,程序结果已经不正确
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//A写的代码
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int A_MyDivide(int a,int b){
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if (b == 0){
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return -1;
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}
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return a / b;
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}
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//B写的代码
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int B_MyDivide(int a,int b){
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int ba = a + 100;
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int bb = b;
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int ret = A_MyDivide(ba, bb); //由于B没有处理异常,导致B结果运算错误
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return ret;
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}
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//C写的代码
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int C_MyDivide(){
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int a = 10;
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int b = 0;
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int ret = B_MyDivide(a, b); //更严重的是,由于B没有继续抛出异常,导致C的代码没有办法捕获异常
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if (ret == -1){
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return -1;
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}
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else{
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return ret;
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}
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}
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//所以,我们希望:
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//1.异常应该捕获,如果你捕获,可以,那么异常必须继续抛给上层函数,你不处理,不代表你的上层不处理
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//2.这个例子,异常没有捕获的结果就是运行结果错的一塌糊涂,结果未知,未知的结果程序没有必要执行下去
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// --- main ---
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int main() {
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return 0;
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}
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@@ -0,0 +1,53 @@
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// ============================================================================
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// p1c07_07 — 7.2.6 异常的多态使用
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// 来源:川大 C++/LinuxC wiki「02.Qt方向」
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// 说明:本文件由 gen_part1.py 合并页面中的教学片段而成。每个片段用
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// // --- 原文片段 [pageId:blockIdx] --- 标注出处。
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// 已做最小修正(笔误/平台移植),详见 docs/ERRATA.md。
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// ============================================================================
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#include <iostream>
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using namespace std;
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// --- 原文片段 [58954474:6] 7.2.6 异常的多态使用 ---
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//异常基类
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class BaseException{
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public:
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virtual void printError_2(){};
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};
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//空指针异常
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class NullPointerException : public BaseException{
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public:
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virtual void printError_2(){
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cout << "空指针异常!" << endl;
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}
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};
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//越界异常
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class OutOfRangeException : public BaseException{
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public:
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virtual void printError_2(){
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cout << "越界异常!" << endl;
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}
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};
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void doWork(){
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throw NullPointerException();
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}
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void test()
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{
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try{
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doWork();
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}
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catch (BaseException& ex){
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ex.printError_2();
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}
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}
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// --- main ---
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int main() {
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test();
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return 0;
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}
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@@ -0,0 +1,45 @@
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// ============================================================================
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// p1c07_05 — 7.2.4 异常接口声明
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// 来源:川大 C++/LinuxC wiki「02.Qt方向」
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// 说明:本文件由 gen_part1.py 合并页面中的教学片段而成。每个片段用
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// // --- 原文片段 [pageId:blockIdx] --- 标注出处。
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// 已做最小修正(笔误/平台移植),详见 docs/ERRATA.md。
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// ============================================================================
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#include <iostream>
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using namespace std;
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// --- 原文片段 [58954474:4] 7.2.4 异常接口声明 ---
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//可抛出所有类型异常
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void TestFunction01(){
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throw 10;
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}
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// 【C++17 修正】原文为 throw(int,char,char*) 动态异常规范——C++17 起非法
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// (C++11 弃用、C++17 移除)。动态规范无法在现代 C++ 中精确表达「只抛这些类型」,
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// 等价改写为 noexcept(false)(表示可能抛异常)。原文语义见 tools/demo_versions/。
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void TestFunction02() noexcept(false){
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string exception = "error!";
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throw exception;
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}
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// 【C++17 修正】原文为 throw()(不抛任何异常)→ C++17 等价于 noexcept。
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void TestFunction03() noexcept {
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//throw 10; // noexcept 函数抛异常会调用 std::terminate
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}
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int main(){
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try{
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//TestFunction01();
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//TestFunction02();
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//TestFunction03();
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}
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catch (...){
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cout << "捕获异常!" << endl;
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}
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return EXIT_SUCCESS;
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}
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// --- main ---
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@@ -0,0 +1,68 @@
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// ============================================================================
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// p1c07_02 — 7.2.1 异常基本语法
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// 来源:川大 C++/LinuxC wiki「02.Qt方向」
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// 说明:本文件由 gen_part1.py 合并页面中的教学片段而成。每个片段用
|
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// // --- 原文片段 [pageId:blockIdx] --- 标注出处。
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// 已做最小修正(笔误/平台移植),详见 docs/ERRATA.md。
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// ============================================================================
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#include <iostream>
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using namespace std;
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#include <cstdio>
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static inline void pause() { printf("按回车键继续..."); (void)getchar(); }
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// --- 原文片段 [58954474:1] 7.2.1 异常基本语法 ---
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int A_MyDivide(int a, int b){
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if (b == 0){
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throw 0;
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}
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return a / b;
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}
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//B写的代码 B写代码比较粗心,忘记处理异常
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int B_MyDivide(int a, int b){
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int ba = a;
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int bb = b;
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int ret = A_MyDivide(ba, bb) + 100; //由于B没有处理异常,导致B结果运算错误
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return ret;
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}
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//C写的代码
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int C_MyDivide(){
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int a = 10;
|
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int b = 0;
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|
||||
int ret = 0;
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//没有处理异常,程序直接中断执行
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#if 1
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ret = B_MyDivide(a, b);
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//处理异常
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#else
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try{
|
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ret = B_MyDivide(a, b); //更严重的是,由于B没有继续抛出异常,导致C的代码没有办法捕获异常
|
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}
|
||||
catch (int e){
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cout << "C_MyDivide Call B_MyDivide 除数为:" << e << endl;
|
||||
}
|
||||
#endif
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||||
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return ret;
|
||||
}
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||||
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int main(){
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||||
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||||
C_MyDivide();
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||||
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||||
pause();
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||||
return EXIT_SUCCESS;
|
||||
}
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||||
|
||||
// --- main ---
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||||
@@ -0,0 +1,54 @@
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||||
// ============================================================================
|
||||
// p1c07_03 — 7.2.2 异常严格类型匹配
|
||||
// 来源:川大 C++/LinuxC wiki「02.Qt方向」
|
||||
// 说明:本文件由 gen_part1.py 合并页面中的教学片段而成。每个片段用
|
||||
// // --- 原文片段 [pageId:blockIdx] --- 标注出处。
|
||||
// 已做最小修正(笔误/平台移植),详见 docs/ERRATA.md。
|
||||
// ============================================================================
|
||||
|
||||
#include <iostream>
|
||||
using namespace std;
|
||||
|
||||
#include <cstdio>
|
||||
static inline void pause() { printf("按回车键继续..."); (void)getchar(); }
|
||||
|
||||
// --- 原文片段 [58954474:2] 7.2.2 异常严格类型匹配 ---
|
||||
void TestFunction(){
|
||||
|
||||
cout << "开始抛出异常..." << endl;
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||||
//throw 10; //抛出int类型异常
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||||
//throw 'a'; //抛出char类型异常
|
||||
//throw "abcd"; //抛出char*类型异常
|
||||
string ex = "string exception!";
|
||||
throw ex;
|
||||
|
||||
}
|
||||
|
||||
int main(){
|
||||
|
||||
try{
|
||||
TestFunction();
|
||||
}
|
||||
catch (int){
|
||||
cout << "抛出Int类型异常!" << endl;
|
||||
}
|
||||
catch (char){
|
||||
cout << "抛出Char类型异常!" << endl;
|
||||
}
|
||||
catch (char*){
|
||||
cout << "抛出Char*类型异常!" << endl;
|
||||
}
|
||||
catch (string){
|
||||
cout << "抛出string类型异常!" << endl;
|
||||
}
|
||||
//捕获所有异常
|
||||
catch (...){
|
||||
cout << "抛出其他类型异常!" << endl;
|
||||
}
|
||||
|
||||
|
||||
pause();
|
||||
return EXIT_SUCCESS;
|
||||
}
|
||||
|
||||
// --- main ---
|
||||
@@ -0,0 +1,75 @@
|
||||
// ============================================================================
|
||||
// p1c07_06 — 7.2.5 异常变量生命周期
|
||||
// 来源:川大 C++/LinuxC wiki「02.Qt方向」
|
||||
// 说明:本文件由 gen_part1.py 合并页面中的教学片段而成。每个片段用
|
||||
// // --- 原文片段 [pageId:blockIdx] --- 标注出处。
|
||||
// 已做最小修正(笔误/平台移植),详见 docs/ERRATA.md。
|
||||
// ============================================================================
|
||||
|
||||
#include <iostream>
|
||||
using namespace std;
|
||||
|
||||
// --- 原文片段 [58954474:5] 7.2.5 异常变量生命周期 ---
|
||||
class MyException
|
||||
{
|
||||
public:
|
||||
MyException(){
|
||||
cout << "异常变量构造" << endl;
|
||||
};
|
||||
MyException(const MyException & e)
|
||||
{
|
||||
cout << "拷贝构造" << endl;
|
||||
}
|
||||
~MyException()
|
||||
{
|
||||
cout << "异常变量析构" << endl;
|
||||
}
|
||||
};
|
||||
void DoWork()
|
||||
{
|
||||
throw new MyException(); //test1 2都用 throw MyExecption();
|
||||
}
|
||||
|
||||
void test01()
|
||||
{
|
||||
try
|
||||
{
|
||||
DoWork();
|
||||
}
|
||||
catch (MyException e)
|
||||
{
|
||||
cout << "捕获 异常" << endl;
|
||||
}
|
||||
}
|
||||
void test02()
|
||||
{
|
||||
try
|
||||
{
|
||||
DoWork();
|
||||
}
|
||||
catch (MyException &e)
|
||||
{
|
||||
cout << "捕获 异常" << endl;
|
||||
}
|
||||
}
|
||||
|
||||
void test03()
|
||||
{
|
||||
try
|
||||
{
|
||||
DoWork();
|
||||
}
|
||||
catch (MyException *e)
|
||||
{
|
||||
cout << "捕获 异常" << endl;
|
||||
delete e;
|
||||
}
|
||||
}
|
||||
|
||||
// --- main ---
|
||||
int main() {
|
||||
test01();
|
||||
test02();
|
||||
test03();
|
||||
return 0;
|
||||
}
|
||||
@@ -0,0 +1,52 @@
|
||||
// ============================================================================
|
||||
// p1c07_04 — 7.2.3 栈解旋(unwinding)
|
||||
// 来源:川大 C++/LinuxC wiki「02.Qt方向」
|
||||
// 说明:本文件由 gen_part1.py 合并页面中的教学片段而成。每个片段用
|
||||
// // --- 原文片段 [pageId:blockIdx] --- 标注出处。
|
||||
// 已做最小修正(笔误/平台移植),详见 docs/ERRATA.md。
|
||||
// ============================================================================
|
||||
|
||||
#include <iostream>
|
||||
using namespace std;
|
||||
|
||||
#include <cstdio>
|
||||
static inline void pause() { printf("按回车键继续..."); (void)getchar(); }
|
||||
|
||||
// --- 原文片段 [58954474:3] 7.2.3 栈解旋(unwinding) ---
|
||||
class Person{
|
||||
public:
|
||||
Person(string name){
|
||||
mName = name;
|
||||
cout << mName << "对象被创建!" << endl;
|
||||
}
|
||||
~Person(){
|
||||
cout << mName << "对象被析构!" << endl;
|
||||
}
|
||||
public:
|
||||
string mName;
|
||||
};
|
||||
|
||||
void TestFunction(){
|
||||
|
||||
Person p1("aaa");
|
||||
Person p2("bbb");
|
||||
Person p3("ccc");
|
||||
|
||||
//抛出异常
|
||||
throw 10;
|
||||
}
|
||||
|
||||
int main(){
|
||||
|
||||
try{
|
||||
TestFunction();
|
||||
}
|
||||
catch (...){
|
||||
cout << "异常被捕获!" << endl;
|
||||
}
|
||||
|
||||
pause();
|
||||
return EXIT_SUCCESS;
|
||||
}
|
||||
|
||||
// --- main ---
|
||||
@@ -0,0 +1,41 @@
|
||||
// ============================================================================
|
||||
// p1c07_08 — 7.3.1 标准库介绍
|
||||
// 来源:川大 C++/LinuxC wiki「02.Qt方向」
|
||||
// 说明:本文件由 gen_part1.py 合并页面中的教学片段而成。每个片段用
|
||||
// // --- 原文片段 [pageId:blockIdx] --- 标注出处。
|
||||
// 已做最小修正(笔误/平台移植),详见 docs/ERRATA.md。
|
||||
// ============================================================================
|
||||
|
||||
#include <iostream>
|
||||
using namespace std;
|
||||
|
||||
#include <cstdio>
|
||||
static inline void pause() { printf("按回车键继续..."); (void)getchar(); }
|
||||
|
||||
// --- 原文片段 [58954474:7] 7.3.1 标准库介绍 ---
|
||||
#include<stdexcept>
|
||||
class Person{
|
||||
public:
|
||||
Person(int age){
|
||||
if (age < 0 || age > 150){
|
||||
throw out_of_range("年龄应该在0-150岁之间!");
|
||||
}
|
||||
}
|
||||
public:
|
||||
int mAge;
|
||||
};
|
||||
|
||||
int main(){
|
||||
|
||||
try{
|
||||
Person p(151);
|
||||
}
|
||||
catch (out_of_range& ex){
|
||||
cout << ex.what() << endl;
|
||||
}
|
||||
|
||||
pause();
|
||||
return EXIT_SUCCESS;
|
||||
}
|
||||
|
||||
// --- main ---
|
||||
Reference in New Issue
Block a user