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RSS订阅原创 后台post 提交数据两种方法介绍
第一种方法 需要导入的架包有 import org.apache.commons.httpclient.DefaultHttpMethodRetryHandler; import org.apache.commons.httpclient.HttpClient; import org.apache.commons.httpclient.HttpException; import org.apach...
2019-05-14 14:00:32
1547
原创 a标签href带参到另一个页面接收
代码走一波 <h4><a href="stu_exam.jsp?uid=${id }" class="glyphicon glyphicon-play" target="myframe">参加考试</a></h4> 另一个页面接收参数 function chickMe(){ var a = GetRequest(); a...
2019-03-25 16:47:56
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原创 jdbc查询数据库时重复最后一条记录
public List<JavaQuestion> getAllJavaQuestion() { Connection con = null; PreparedStatement pre = null; ResultSet re = null; List<JavaQuestion> list1 = new ArrayList<>(); co...
2019-03-25 16:41:55
940
翻译 jsp生成验证码
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <%@page import="java.awt.image.BufferedImage"%> <%@page import="java.awt.Graphics2D"%> <%...
2019-03-25 16:34:59
395
原创 Table configuration with catalog null, schema null, and table stu did not resolve to any tables错误
Table configuration with catalog null, schema null, and table stu did not resolve to any tables 错误 解决办法:更改数据库表名 <table tableName="role" domainObjectName="Role"></table> ...
2019-03-10 23:24:05
2094
原创 Access denied for user 'root'@'localhost' (using password: YES) 错误
Access denied for user ‘root’@‘localhost’ (using password: YES) 错误 jbdc配置文件有错
2019-03-10 23:20:49
148
翻译 Dynamic Web Module 3.0 requires Java 1.6 or newer问题解决
错误解决 把头部中2.3 <?xml version="1.0" encoding="UTF-8"?> <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.c
2018-12-06 14:14:36
243
翻译 bat文件的格式
bat文件的格式 @echo off rem --------------------------------------------------------------- rem rem 使用说明： rem rem 1: 该脚本用于别的项目时只需要修改 MAIN_CLASS 即可运行 rem rem 2: JAVA_OPTS 可通过 -D 传入 undertow.port 与 undertow....
2018-12-04 16:40:35
3659
原创 Description: Failed to configure a DataSource: 'url' attribute is not specified 的解决办法
今天在用springboot时出现了一个错误 Description: Failed to configure a DataSource: ‘url’ attribute is not specified and no embedded datasource could be configured. Reason: Failed to determine a suitable driver cla...
2018-10-11 11:43:59
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原创 mybatis框架核心SqlSessionFactoryBuilder、SqlSessionFactory......及其生命周期
1.SqlSessionFactoryBuilder 作用：唯一作用创建SqlSessionFactoryBuilder实例 SqlSessionFactoryBuilder builder = new SqlSessionFactoryBuilder(); //参数是mybatis配置文件路径 InputStream inputStream = Resources.getRes...
2018-10-09 11:13:00
762
蓝牙串口调试工具.rar
2019-12-13
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