09 2012 档案
摘要：辅助类：DBHelper类：包括数据库连接字符串、数据库连接对象两个静态公有字段。View Code using System;using System.Collections.Generic;using System.Text;using System.Data.SqlClient;namespace MySchool{ // 存放数据库连接字符串和数据库连接对象 class DBHelper { // 数据库连接字符串 public static string connectionString = "Data Source=.;...
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摘要：文件读写操作fopen fclose fgetc fputcView Code #include <stdio.h>#include <stdlib.h>int main(){ FILE * fp; char ch; if((fp = fopen("file.txt", "w")) == NULL) //如果文件不存在，自动创建。 不能少一个括号！！ { printf("Cannot open this file!\n"); exit(0); } else { printf("File open su
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摘要：第二章#include <stdio.h> #include <stdlib.h> #include <time.h> //插入排序void InsertSort(int A[], int n){ int i, j, key; for(i=1; i<n; i++) { key = A[i]; j = i-1; while(A[j] > key && j>=0) { A[j+1] = A[j]; j--; } A[j+1] = key;...
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摘要：#include "stdio.h"#include "stdlib.h"#include "string.h"typedef int bool;#define true 1#define false 0typedef struct student{ char name[20]; char phone[20]; bool flag; struct student *next;}student;student* Add(student* phead);student* Find(student *phead);void Search(s
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