動態(tài)鏈接庫的導(dǎo)出與導(dǎo)入實例

1、XXXX大學(xué)實驗報告成績第頁（共頁）課程：軟件開發(fā)技術(shù)實驗日期年月日專業(yè)班號XXXX組別交報告日期年月日姓名XXXXXXXXX學(xué)號XXXXXXXXX報告退發(fā)(修正、重做)同組者教師審批簽字實驗報告格式一、預(yù)習準備：實驗?zāi)康暮鸵?，實驗儀器和設(shè)備等;二、實驗過程：實驗步驟和實驗數(shù)據(jù)記錄；三、實驗總結(jié)：實驗數(shù)據(jù)處理和實驗結(jié)果討論。實驗名稱動態(tài)鏈接庫的導(dǎo)出與導(dǎo)入一、實驗?zāi)康? .動態(tài)鏈接庫程序設(shè)計；2 .動態(tài)鏈接庫應(yīng)用程序設(shè)計；二、實驗內(nèi)容1 .導(dǎo)出DLL動態(tài)鏈接庫2 .導(dǎo)入DLL動態(tài)鏈接庫3 .函數(shù)尋址三、源碼：導(dǎo)出DLL:/DLL.h#ifdefDLL_EXPORTS#defineDLL_API

2、_declspec(dllexport)#else#defineDLL_API_declspec(dllimport)#endifstructStuInfocharnum15;/學(xué)號charname10;/姓名charsex3;性別charschool20;/學(xué)院charmajor_class10;/專業(yè)班級StuInfo*next;/下一個學(xué)生信息的地址;extern"C"_declspec(dllexport)voidInput_Data(StuInfo*);/輸入數(shù)據(jù)extern"C"_declspec(dllexport)StuInfo*Num_

3、Search(StuInfo*);/用學(xué)號搜索extern"C"_declspec(dllexport)voidNum_Modify(StuInfo*);/用學(xué)號修改extern"C"_declspec(dllexport)voidNum_Delete(StuInfo*);/用學(xué)號刪除extern"C"_declspec(dllexport)voidPrint(StuInfo*p);/顯示學(xué)生信息extern"C"_declspec(dllexport)intMenu();/菜單函數(shù)extern"C&qu

4、ot;_declspec(dllexport)voidClass_Search(StuInfo*head);/用班級搜索/DLL.c#ifndefDLL_EXPORTS#defineDLL_EXPORTS#endif#include"DLL.h"#include<windows.h>#include<stdio.h>#include<tchar.h>#include<malloc.h>#include<string.h>staticintstu_num=0;/初始化學(xué)生數(shù)量為0BOOLAPIENTRYDllMain

5、(HMODULEhModule,DWORDul_reason_for_call,LPVOIDlpReserved)(switch(ul_reason_for_call)(caseDLL_PROCESS_ATTACH:caseDLL_THREAD_ATTACH:caseDLL_THREAD_DETACH:caseDLL_PROCESS_DETACH:break;returnTRUE;DLL_APIvoidInput_Data(StuInfo*head)/輸入數(shù)據(jù)(new_stu=(StuInfo*)malloc(sizeof(StuInfo);/申請新的節(jié)點空間printf("請輸入新

6、的學(xué)生信息：n");printf("學(xué)號：");scanf_s("%s",new_stu->num,15);printf("姓名：");scanf_s("%s",new_stu->name,10);printf("性別：");scanf_s("%s",new_stu->sex,3);printf("學(xué)院：");scanf_s("%s",new_stu->school,20);printf("專

7、業(yè)班級：");scanf_s("%s",new_stu->major_class,10);/頭插法建立鏈表new_stu->next=head->next;head->next=new_stu;stu_num+;/學(xué)生數(shù)量加一DLL_APIStuInfo*Num_Search(StuInfo*head)/用學(xué)號搜索返回目標節(jié)點的前一個節(jié)點StuInfo*p,*p_ahead;/p和p的前一個節(jié)點charsearch15;p=head;if(stu_num=0)printf("沒有學(xué)生信息n");returnNULL;pr

8、intf("請輸入要查找的學(xué)號：");scanf_s("%s",search,15);while(p!=NULL)/如果找到了直接退出程序沒找到會退出循環(huán)給出提示if(strcmp(p->num,search)=0)/如果兩個字符串相等printf("學(xué)號姓名性別學(xué)院專業(yè)班級n");Print(p);/輸出該信息returnp_ahead;/返回前一個p_ahead=p;/保存前一個節(jié)點p=p->next;/查找下一個printf("沒有該學(xué)生信息n");returnNULL;DLL_APIvoidCl

9、ass_Search(StuInfo*head)用班級搜索StuInfo*p;charsearch10;intnum=0,mark=0;p=head;if(stu_num=0)(printf("沒有學(xué)生信息n");return;printf("請輸入要查找的專業(yè)班級：");scanf_s("%s",search,10);while(p!=NULL)/如果找到了直接退出程序沒找到會退出循環(huán)給出提示(if(strcmp(p->major_class,search)=0)/如果兩個字符串相等(num+;if(mark=0)(print

10、f("學(xué)號姓名性別學(xué)院專業(yè)班級n");mark=1;Print(p);/輸出該信息p=p->next;查找下一個if(num=0)(printf("沒有找到該班級學(xué)生信息n");return;else(printf("共找到該班級%d名學(xué)生信息n",num);return;DLL_APIvoidNum_Modify(StuInfo*head)/用學(xué)號修改(StuInfo*p,*head1,*p_ahead;headl=head;p_ahead=Num_Search(headl);/接收目標節(jié)點的前一個節(jié)點if(p_ahead=N

11、ULL)(return;)p=p_ahead->next;/目標節(jié)點if(p_ahead!=NULL)(printf("請重新輸入該學(xué)生信息：n");printf("輸入學(xué)號：");scanf_s("%s",p->num,15);printf("輸入姓名：");scanf_s("%s",p->name,10);printf("輸入性別：");scanf_s("%s",p->sex,3);printf("輸入學(xué)院："

12、;);scanf_s("%s",p->school,20);printf("輸入專業(yè)班級：");scanf_s("%s",p->major_class,10);printf("修改成功n");)return;)DLL_APIvoidNum_Delete(StuInfo*head)/用學(xué)號刪除(StuInfo*p,*p_ahead,*p_after,*head1;head1=head;p_ahead=Num_Search(head1);/接收目標節(jié)點的前一個節(jié)點if(p_ahead!=NULL)(p=p_

13、ahead->next;p_after=p->next;/目標節(jié)點的后一個節(jié)點p_ahead->next=p_after;/鏈接這兩個節(jié)點free(p);/刪除中間的節(jié)點printf("刪除成功n");)return;)DLL_APIvoidPrint(StuInfo*p)/顯示學(xué)生信息(%s%sn",p->num,p->name,p->sex,p->school,printf("%s%s%sp->major_class);)DLL_APIintMenu()(intchoose;printf("學(xué)

14、生證管理系統(tǒng)nn");printf("1.輸入數(shù)據(jù)n");printf("2.學(xué)號查詢n");printf("3.班級查詢n");printf("4.學(xué)號修改n");printf("5.學(xué)號刪除n");printf("6.退出系統(tǒng)n");printf("請選擇：");scanf_s("%d",&choose,1);while(choose<1|choose>6)(printf("您的選擇有誤，請重

15、新輸入：");scanf_s("%d",&choose,1);returnchoose;將導(dǎo)出的DLL放在導(dǎo)入DLL項目目錄下導(dǎo)入DLL:/DLL_1.h#include<stdio.h>#include<tchar.h>#include<windows.h>#ifdefDLL_EXPORTS#defineDLL_API_declspec(dllexport)#else#defineDLL_API_declspec(dllimport)#endifstructStuInfo(charnum15;/學(xué)號charname10

16、;/姓名charsex3;性別charschool20;/學(xué)院charmajor_class10;/專業(yè)班級StuInfo*next;下一個學(xué)生信息的地址;/main.h#include"DLL_1.h"typedefvoid(*Input_Data)(StuInfo*);/輸入數(shù)據(jù)typedefStuInfo*(*Num_Search)(StuInfo*);/用學(xué)號搜索typedefvoid(*Class_Search)(StuInfo*);/用班級搜索typedefvoid(*Num_Modify)(StuInfo*);/用學(xué)號修改typedefvoid(*Num_De

17、lete)(StuInfo*);/用學(xué)號刪除typedefvoid(*Print)(StuInfo*p);/顯示學(xué)生信息typedefint(*Menu)();/菜單函數(shù)intmain(intargc,char*argv)(Input_Datainput_data;Num_Searchnum_search;Class_Searchclass_search;Num_Modifynum_modify;Num_Deletenum_delete;Printprint;Menumenu;StuInfo*head;/head為頭結(jié)點p為尾節(jié)點HINSTANCEhinstance;TCHARpath=TEX

18、T(".DLL_1.dll");hinstance=LoadLibrary(path);if(hinstance=NULL)(printf("dll未正確加載n");return1;print=(Print)GetProcAddress(hinstance,"Print");menu=(Menu)GetProcAddress(hinstance,"Menu");input_data=(Input_Data)GetProcAddress(hinstance,"Input_Data");num_search=(Num_Search)GetProcAddress(hinstance,"Num_Search");class_search=(Class_Search)GetProcAddress