Update 中括号重载.cpp
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@@ -1,51 +1,58 @@
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//Eg8-9.cpp
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#include <iostream>
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#include <cstring>
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using namespace std;
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struct Person{ //ְ<><D6B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD>Ľṹ
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double salary;
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char *name;
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struct Person
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{ //职工基本信息的结构
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double salary;
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char *name;
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};
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class SalaryManaege{
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Person *employ; //<2F><><EFBFBD><EFBFBD>ְ<EFBFBD><D6B0><EFBFBD><EFBFBD>Ϣ<EFBFBD><CFA2><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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int max; //<2F><><EFBFBD><EFBFBD><EFBFBD>±<EFBFBD><C2B1>Ͻ<EFBFBD>
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int n; //<2F><><EFBFBD><EFBFBD><EFBFBD>е<EFBFBD>ʵ<EFBFBD><CAB5>ְ<EFBFBD><D6B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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class SalaryManaege
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{
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Person *employ; //存放职工信息的数组
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int max; //数组下标上界
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int n; //数组中的实际职工人数
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public:
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SalaryManaege(int Max=0){
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max=Max;
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n=0;
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employ=new Person[max];
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}
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//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǿ<EFBFBD><C7BF><EFBFBD>ֱ<EFBFBD><D6B1><EFBFBD>ڷ<EFBFBD><DAB7><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><D6B5>ֱ<EFBFBD><D6B1>ʹ<EFBFBD><CAB9>
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double &operator[](char *Name) { //<2F><><EFBFBD><EFBFBD>[]<5D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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Person *p;
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for(p=employ;p<employ+n;p++)
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//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD><DAB4><EFBFBD>
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if(strcmp(p->name,Name)==0)
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return p->salary;
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//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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p=employ + n++;
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p->name=new char[strlen(Name)+1];
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strcpy(p->name,Name);
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p->salary=0;
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return p->salary;
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}
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SalaryManaege(int Max = 0)
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{
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max = Max;
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n = 0;
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employ = new Person[max];
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}
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//返回引用特性是可以直接在放在左值,直接使用
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double &operator[](char *Name)
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{ //重载[],返回引用
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Person *p;
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for (p = employ; p < employ + n; p++)
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//如果存在处理
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if (strcmp(p->name, Name) == 0)
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return p->salary;
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//不存在情况处理
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p = employ + n++;
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p->name = new char[strlen(Name) + 1];
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strcpy(p->name, Name);
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p->salary = 0;
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return p->salary;
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}
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void display(){
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for(int i=0;i<n;i++)
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cout<<employ[i].name<<" "<<employ[i].salary<<endl;
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}
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void display()
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{
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for (int i = 0; i < n; i++)
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cout << employ[i].name << " " << employ[i].salary << endl;
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}
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~SalaryManaege() {
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delete employ;
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}
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};
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int main(){
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int main()
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{
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SalaryManaege s(3);
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s["<EFBFBD><EFBFBD><EFBFBD><EFBFBD>"]=2188.88;
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s["<EFBFBD><EFBFBD>˹"]=1230.07;
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s["<EFBFBD><EFBFBD><EFBFBD><EFBFBD>"]=3200.97;
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cout<<"<EFBFBD><EFBFBD><EFBFBD><EFBFBD>\t"<<s["<EFBFBD><EFBFBD><EFBFBD><EFBFBD>"]<<endl; cout<<"<EFBFBD><EFBFBD>˹\t"<<s["<EFBFBD><EFBFBD>˹"]<<endl;
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cout<<"<EFBFBD><EFBFBD><EFBFBD><EFBFBD>\t"<<s["<EFBFBD><EFBFBD><EFBFBD><EFBFBD>"]<<endl;
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cout<<"-------<2D><>Ϊdisplay<61><79><EFBFBD><EFBFBD><EFBFBD><EFBFBD>--------\n\n";
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s.display();
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system("pause");
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}
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s["张三"] = 2188.88;
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s["里斯"] = 1230.07;
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s["王无"] = 3200.97;
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cout << "张三\t" << s["张三"] << endl;
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cout << "里斯\t" << s["里斯"] << endl;
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cout << "王无\t" << s["王无"] << endl;
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cout << "-------下为display的输出--------\n\n";
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s.display();
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}
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