字符串類設(shè)計(jì)

1、華北科技學(xué)院計(jì)算機(jī)學(xué)院綜合性實(shí)驗(yàn)實(shí)驗(yàn)報(bào)告課程名稱C+福序設(shè)計(jì)B實(shí)驗(yàn)學(xué)期2017至2016學(xué)年第二學(xué)期學(xué)生所在系部網(wǎng)絡(luò)工程年級(jí)2015專業(yè)班級(jí)網(wǎng)絡(luò)B151學(xué)生姓名學(xué)號(hào)任課教師胡罷成績評(píng)定：1、類及類文件、函數(shù)文件設(shè)計(jì)：A(),B(),C(),D(),F()2、程序結(jié)構(gòu)合理，格式美觀：A(),B(),C(),D(),F()3、語法語義及算法準(zhǔn)確：A(),B(),C(),D(),F()4、實(shí)驗(yàn)結(jié)果止確，運(yùn)行界面：A(),B(),C(),D(),F()5、操作熟練，解析完整：A(),B(),C(),D(),F()5、報(bào)告規(guī)范度：A(),B(),C(),D(),F()實(shí)驗(yàn)成績計(jì)算機(jī)學(xué)院制C+銀序設(shè)計(jì)課程

2、綜合性實(shí)驗(yàn)報(bào)告開課實(shí)驗(yàn)室：基礎(chǔ)實(shí)驗(yàn)室三2018年6月5日實(shí)驗(yàn)題目字符串類設(shè)計(jì)一、實(shí)驗(yàn)?zāi)康恼莆疹惖母拍罴皹?gòu)造方法；掌握構(gòu)造函數(shù)的定義與使用；掌握友元的定義與使用；掌握運(yùn)算符的重載定義與使用。掌握繼承和派生概念及應(yīng)用，掌握多態(tài)方法及應(yīng)用。二、設(shè)備與環(huán)境微型計(jì)算機(jī)、Windows系列操作系統(tǒng)、VisualC+等編輯軟件三、實(shí)驗(yàn)內(nèi)容設(shè)計(jì)字符串類。重載字符串+(連接)、=(復(fù)制)、判斷(<、>、=),并編程實(shí)現(xiàn)求字符串長度、字符串轉(zhuǎn)換函數(shù)(小寫轉(zhuǎn)換為大寫及大寫轉(zhuǎn)換為小寫)函數(shù)：MyString();MyString(char*ptr);MyString(constMyString&s

3、tr);MyStringoperator+(MyString&str);MyStringoperator=(MyString&str);MyStringoperator>(MyString&str);MyStringoperator<(MyString&str);MyStringoperator=(MyString&str);friendostream&operator<<(ostream&s,MyString&str);friendistream&operator>>(istream&

4、amp;s,MyString&str);MyStringLenString(MyString&str);MyStringLwrString(MyString&str);MyStringUprString(MyString&str);四、設(shè)計(jì)過程(包括類的數(shù)據(jù)成員、成員函數(shù)、友元函數(shù)及主函數(shù)，寫出主要代碼)classMyStringpublic:MyString()p=NULL;MyString(char*str);MyString(constMyString&str);intlength();MyStringoperator+(MyString&

5、str);booloperator=(MyString&str);booloperator>(MyString&str);booloperator<(MyString&str);booloperator=(MyString&str);boolLwrString();boolUprString();friendostream&operator<<(ostream&s,MyString&str);friendistream&operator>>(istream&s,MyString&

6、str);private:char*p;char*getP();intmain()MyStringMyString1("ZOO"),MyString2(MyString1),MyString3;cout<<"MyString1="<<MyString1<<"MyString2="<<MyString2;cout<<"inputMyString3"<<endl;cin>>MyString3;cout<<"MySt

7、ring3="<<MyString3<<endl;cout<<"="<<()<<endl;cout<<"MyString3=MyString1resultis:"<<(MyString3=MyString1)<<endl;cout<<"MyString3="<<MyString3<<endl;MyStringMyString4=MyString1+MyString3;cout<<&q

8、uot;MyString1+MyString3="<<MyString4<<endl;cout<<"inputMyString3"<<endl;cin>>MyString3;cout<<"MyString1>MyString3resultis:"<<(MyString1>MyString3)<<endl;cout<<"MyString1<MyString3resultis:"<<(MySt

9、ring1<MyString3)<<endl;cout<<"MyString1=MyString2resultis:"<<(MyString1=MyString2)<<endl;cout<<"()resultis:"<<()<<endl;cout<<"MyString3="<<MyString3<<endl;cout<<"()resultis:"<<()<<

10、;endl;cout<<"MyString1="<<MyString1<<endl;1D:ccxieblocksSMy5tringMy£triXMyString1-700MyString2200input乂-m】史3清簿人字符第1以口結(jié)束;helloOWyStTingSihel1。MySttin63.leng:h_5MvString3-MvStringilncultih：1MvStrIng,3700MvStrinel+MStrine3=Z0QZWinputYv5rrinE請(qǐng)輸入字符串，以口結(jié)束：helioOMvstrincl&#

11、39;M'StrinpSresultis：0MvStrinFl-.MyStrinFresultis：1ifStringl=iySring2resultis：1MyString3.LprS:rirJresulTLs：1My玄正口二二HELLOMyStringl,LwrSsririgOresulis:1MyStringl-20oProctssreturned010eacutioi;tinze123-6匕Fuessanykey:oconti力no.摸狗輔入法全：五、實(shí)驗(yàn)結(jié)果(運(yùn)行界面)及測試數(shù)據(jù)分析MyString1("ZOO")調(diào)用構(gòu)造函數(shù)MyString:MyStri

12、ng(char*str),MyString2(MyString1)調(diào)用復(fù)制構(gòu)造函數(shù)MyString:MyString(constMyString&str),MyString3調(diào)用構(gòu)造函數(shù)MyString()。使用運(yùn)算符重載函數(shù)¥俞入字符串對(duì)MyString3重新賦值為hello。MyString3調(diào)用成員函數(shù)intlength()求得字符申MyString3的長度。使用運(yùn)算符重載函數(shù)=把MyStringl的值賦給MyString3。使用運(yùn)算符重載函數(shù)+把字符串MyStringl和MyString3進(jìn)行連接。使用運(yùn)算符重載函數(shù)和對(duì)字符串MyStringl和MyString3進(jìn)行

13、判斷。使用運(yùn)算符重載函數(shù)=對(duì)字符串MyStringl和MyString2進(jìn)行判斷。MyString3調(diào)用函數(shù)UprString()把字符用小寫轉(zhuǎn)換為大寫。MyStringl調(diào)用函數(shù)LwrString()把字符串大寫轉(zhuǎn)換為小寫。六、實(shí)驗(yàn)總結(jié)通過本學(xué)期的課程學(xué)習(xí)使我對(duì)C+®序設(shè)計(jì)有了初步的認(rèn)識(shí)，也讓我對(duì)面向?qū)ο笥辛艘粋€(gè)更深刻的理解。本系統(tǒng)雖然仍然存在著不足之處，但對(duì)于題目要求實(shí)現(xiàn)的功能均已實(shí)現(xiàn)。源代碼：#include<iostream>usingnamespacestd;classMyStringpublic:MyString()p=NULL;MyString(char*s

14、tr);MyString(constMyString&str);intlength。；MyStringoperator+(MyString&str);booloperator=(MyString&str);booloperator>(MyString&str);booloperator<(MyString&str);booloperator=(MyString&str);boolLwrString();boolUprString();friendostream&operator<<(ostream&s,My

15、String&str);friendistream&operator>>(istream&s,MyString&str);private:char*p;char*getP();MyString:MyString(char*str)p=str;MyString:MyString(constMyString&str)p=;char*MyString:getP()return p;intMyString:length()intlen=0;for(inti=0;pi!='0'i+)len+;returnlen;MyStringMySt

16、ring:operator+(MyString&str)char*p1,*p2,*p3;intlen1=0,len2=0;p1=p;p2=();len1=this->length();len2=();char*resultChar=newcharlen1+len2+1;p3=resultChar;for(inti=0;i<len1+len2+1;i+)resultChari='0'while(*p1!=''0')*p3=*p1;p3+;p1+;while(*p2!=''0')*p3=*p2;p3+;p2+;re

17、turnMyString(resultChar);boolMyString:operator=(MyString&str)char*p2,*p3;intlen2=0;P2=()；len2=();char*resultChar=newcharlen2+1;for(inti=0;i<len2+1;i+)resultChari='0'p3=resultChar;while(*p2!='0')*p3=*p2;p3+;p2+;p=resultChar;returntrue;boolMyString:operator>(MyString&str)

18、char*p1,*p2;intlen1=0,len2=0;p1=p;p2=();len1=this->length();len2=();while(*p1!='0'&&*p2!=''0')if(*p1>*p2)returnfalse;p1+；p2+；if(*p1=''0')returnfalse;elsereturntrue;boolMyString:operator<(MyString&str)char*p1,*p2;intlen1=0,len2=0;p1=p;p2=();len1=th

19、is->length();len2=();while(*p1!='0'&&*p2!='0')if(*p1>*p2)returnfalse;elseif(*p1<*p2)returntrue;p1+;p2+;if(*p2='0')return false;elsereturntrue;boolMyString:operator=(MyString&str)intlen1=0,len2=0;char*p1,*p2;len1=this->length();len2=();p1=p;p2=();if(len

20、1=len2)while(*p1!=''0')if(*p1!=*p2)returnfalse;p1+;p2+;returntrue;elsereturnfalse;boolMyString:LwrString()/大轉(zhuǎn)小intlen=0;len=this->length();char*resultChar=newcharlen+1;resultCharlen='0'for(inti=0;i<len;i+)if(pi<65|pi>90)returnfalse;resultChari=pi;for(inti=0;i<len;i+

21、)resultChari=resultChari+32;p=resultChar;returntrue;boolMyString:UprString()/小轉(zhuǎn)大intlen=0;len=this->length();char*resultChar=newcharlen+1;resultCharlen='0'for(inti=0;i<len;i+)if(pi<97|pi>122)returnfalse;resultChari=pi;for(inti=0;i<len;i+)resultChari=resultChari-32;p=resultChar;

22、returntrue;ostream&operator<<(ostream&s,MyString&str)s<<<<endl;returns;istream&operator>>(istream&s,MyString&str)structmyStringcharstrl;myString*next;；intcount1=0,len=0;charstr2;myString*head=NULL,*myString1=NULL,*myString2=NULL;cout<<”請(qǐng)輸入字符串，以0結(jié)

23、束："<<endl;cin>>str2;while(str2!='0')myString1=newmyString;myString1->str1=str2;myString1->next=NULL;if(count1=0)head=myString1;count1=1;elsemyString2->next=myString1;myString2=myString1;len+;cin>>str2;char*resultChar=newcharlen+1;resultCharlen='0'myStr

24、ing2=head;while(myString2!=NULL)resultChari=myString2->str1;myString2=myString2->next;i+;=resultChar;returns;intmain()MyStringMyString1("ZOO"),MyString2(MyString1),MyString3;cout<<"MyString1="<<MyString1<<"MyString2="<<MyString2;cout<<"inputMyString3"<<endl;cin>>MyString3;cout<<"MyString3="<<MyString3<<endl;cout<<"="<<()<<endl;cout<<"MyString3=MyString1resultis:"<<(M