<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[qq_42485441的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/qq_42485441</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; qq_42485441]]></copyright><item><title><![CDATA[POI导出excel因为格式问题无法打开文件]]></title><link>https://blog.youkuaiyun.com/qq_42485441/article/details/129561055</link><guid>https://blog.youkuaiyun.com/qq_42485441/article/details/129561055</guid><author>qq_42485441</author><pubDate>Wed, 15 Mar 2023 17:15:10 +0800</pubDate><description><![CDATA[swagger服务的问题，和代码没有关系。]]></description><category></category></item><item><title><![CDATA[postman设置接口不限制等待时间，避免接口超时]]></title><link>https://blog.youkuaiyun.com/qq_42485441/article/details/129550086</link><guid>https://blog.youkuaiyun.com/qq_42485441/article/details/129550086</guid><author>qq_42485441</author><pubDate>Wed, 15 Mar 2023 11:39:41 +0800</pubDate><description><![CDATA[当接口执行时间较长时，postman会因为接口超时等不到接口返回。解决方法之一：postman里的Pre-req设置超时时间。]]></description><category></category></item><item><title><![CDATA[node.js历史版本]]></title><link>https://blog.youkuaiyun.com/qq_42485441/article/details/125579477</link><guid>https://blog.youkuaiyun.com/qq_42485441/article/details/125579477</guid><author>qq_42485441</author><pubDate>Sat, 02 Jul 2022 23:24:39 +0800</pubDate><description><![CDATA[node.js历史版本，用于解决某个版本不能正常使用的情况]]></description><category></category></item><item><title><![CDATA[找jar包以及jar包依赖]]></title><link>https://blog.youkuaiyun.com/qq_42485441/article/details/124409437</link><guid>https://blog.youkuaiyun.com/qq_42485441/article/details/124409437</guid><author>qq_42485441</author><pubDate>Mon, 25 Apr 2022 17:04:29 +0800</pubDate><description><![CDATA[网站地址：https://mvn.coderead.cn/

]]></description><category></category></item><item><title><![CDATA[C++ 使用ODBC操作Excel文件]]></title><link>https://blog.youkuaiyun.com/qq_42485441/article/details/123826436</link><guid>https://blog.youkuaiyun.com/qq_42485441/article/details/123826436</guid><author>qq_42485441</author><pubDate>Tue, 29 Mar 2022 17:21:00 +0800</pubDate><description><![CDATA[C++使用ODBC操作Excel]]></description><category></category></item><item><title><![CDATA[Teamcenter: RAC开发]]></title><link>https://blog.youkuaiyun.com/qq_42485441/article/details/119486478</link><guid>https://blog.youkuaiyun.com/qq_42485441/article/details/119486478</guid><author>qq_42485441</author><pubDate>Sat, 07 Aug 2021 16:37:20 +0800</pubDate><description><![CDATA[前言
Teamcenter（下面简称TC）的RAC开发，指的是TC的胖客户端开发。
本文将介绍如何通过plugin in project项目实现对TC胖客户端的修改。
工具：
	TC12(安装在虚拟机里),
	eclipse

一、环境搭建（Target Platform）
1、合并TC和Eclipse的plugins
将【TC下的plugins文件夹】和【eclipse下的plugins文件夹】都复制并合并到一个新的文件夹里，文件位置参考如下
TC:			 D:\Siemens\Teamcenter12\]]></description><category></category></item><item><title><![CDATA[华为OD笔试题]]></title><link>https://blog.youkuaiyun.com/qq_42485441/article/details/117539912</link><guid>https://blog.youkuaiyun.com/qq_42485441/article/details/117539912</guid><author>qq_42485441</author><pubDate>Fri, 04 Jun 2021 01:46:12 +0800</pubDate><description><![CDATA[冒泡排序解决
import java.util.Scanner;

public class TestOne{
	
	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		int height = 0;
		int num = 0;
		for(int i = 0;i &lt; 2;i++ ) {
			if(i == 0) {
				height = scanner.nextInt..]]></description><category></category></item><item><title><![CDATA[抽象类与接口知识点]]></title><link>https://blog.youkuaiyun.com/qq_42485441/article/details/117373789</link><guid>https://blog.youkuaiyun.com/qq_42485441/article/details/117373789</guid><author>qq_42485441</author><pubDate>Fri, 28 May 2021 20:38:27 +0800</pubDate><description><![CDATA[抽象类
1、抽象类和普通类基本一样，不同的是抽象类可以有抽象方法。
2、抽象类虽然不能创建实例，但它也可以有构造方法，并且程序也会默认为抽象类提供无参构造方法，它可以在创建子类时隐式调用抽象类的构造方法来对相关属性进行初始化。
接口
1、接口内的成员变量只能是public static 类型的，并且默认为public static final类型。
2、JDK8之前接口方法只能是抽象方法，JDK8之后接口可以有使用default关键字修饰的默认方法
3、接口的抽象方法不能有方法体，但是默认方法是可以有方法体]]></description><category></category></item><item><title><![CDATA[mybatis sql中间包含分号报错，启用sql语句批处理“&allowMultiQueries=true“解决]]></title><link>https://blog.youkuaiyun.com/qq_42485441/article/details/116576313</link><guid>https://blog.youkuaiyun.com/qq_42485441/article/details/116576313</guid><author>qq_42485441</author><pubDate>Mon, 10 May 2021 02:18:41 +0800</pubDate><description><![CDATA[问题描述
我的需求是使用mybatis实现在指定数据库建表，sql如下：
	&lt;update id="createTable"&gt;
	USE ${dbNmae};
	CREATE TABLE
	IF NOT EXISTS ${tableName} (
	&lt;if test="sqlItems != null and sqlItems.size() &gt; 0"&gt;
	&lt;!-- 外层list 里面每一个元素为一个字段的组成元素 --&gt;
	&lt;foreach collectio]]></description><category></category></item><item><title><![CDATA[javaweb 前端需要传递多个不同类型对象到后台解决方案]]></title><link>https://blog.youkuaiyun.com/qq_42485441/article/details/116570518</link><guid>https://blog.youkuaiyun.com/qq_42485441/article/details/116570518</guid><author>qq_42485441</author><pubDate>Sun, 09 May 2021 21:05:31 +0800</pubDate><description><![CDATA[很多时候前端需要传递多个不同类型对象到后台，这时可以将所有需上传的对象保存在一个数组里，之后向后台上传数组即可。
前端：
var all = [];  // 用来装所有的其他对象
var tableName = "demo";
all.push(tableName);  // tableName是一个string类型的对象
all.push(list);  // list是一个string类型的数组
$.ajax({
	url:"http://localhost:8099/createTable",
	ty]]></description><category></category></item><item><title><![CDATA[javaweb 前端发送list对象，后台接收过程实现代码]]></title><link>https://blog.youkuaiyun.com/qq_42485441/article/details/116569346</link><guid>https://blog.youkuaiyun.com/qq_42485441/article/details/116569346</guid><author>qq_42485441</author><pubDate>Sun, 09 May 2021 20:12:15 +0800</pubDate><description><![CDATA[前端ajax：
$.ajax({
	url:"http://localhost:8099/createTable",
	type:"post",
	dataType:"json",
	contentType: "application/json",  // 这个不要忘记，不加后台接收时会报Content type 'application/x-www-form-urlencoded;charset=UTF-8' not supported异常
	data:JSON.stringify(list),
	suc]]></description><category></category></item><item><title><![CDATA[记录一个ajax上传对象数组的坑]]></title><link>https://blog.youkuaiyun.com/qq_42485441/article/details/116177418</link><guid>https://blog.youkuaiyun.com/qq_42485441/article/details/116177418</guid><author>qq_42485441</author><pubDate>Tue, 27 Apr 2021 00:27:53 +0800</pubDate><description><![CDATA[源码
ajax代码：
	function stu(sno,sname){
		var student = new Object();
		student.sno = sno;
		student.sname = sname;
		return student;
	}
	var stus = [];
	stus.push(stu("001","张三"));
	stus.push(stu("002","李四"));
	
	$.ajax({
			url:"http://localhost:8099/addStu]]></description><category></category></item><item><title><![CDATA[js 异步获取项目内的文件内容]]></title><link>https://blog.youkuaiyun.com/qq_42485441/article/details/115880066</link><guid>https://blog.youkuaiyun.com/qq_42485441/article/details/115880066</guid><author>qq_42485441</author><pubDate>Tue, 20 Apr 2021 01:30:09 +0800</pubDate><description><![CDATA[代码
	var jsUrls = [];
	jsUrls.push("../js/jquery.min.js?datetime=new Date.getTime");
	jsUrls.push("../js/layui.js?datetime=new Date.getTime");
	jsUrls.push("../js/pageDesign.js?datetime=new Date.getTime");
	jsUrls.push("../js/xadmin.js?datetime=new Date.get]]></description><category></category></item><item><title><![CDATA[前端  关于获取iframe内元素遇到的问题（未解决）]]></title><link>https://blog.youkuaiyun.com/qq_42485441/article/details/115274481</link><guid>https://blog.youkuaiyun.com/qq_42485441/article/details/115274481</guid><author>qq_42485441</author><pubDate>Sun, 28 Mar 2021 00:31:08 +0800</pubDate><description><![CDATA[关于获取iframe内元素遇到的问题
demo.html
&lt;!DOCTYPE html&gt;
&lt;html&gt;
	&lt;head&gt;
		&lt;meta charset="UTF-8"&gt;
		&lt;title&gt;&lt;/title&gt;
	&lt;/head&gt;
	&lt;style type="text/css"&gt;
		#dd{
			width: 200px;
			height: 200px;
			background-color: aquamari]]></description><category></category></item><item><title><![CDATA[mybatis  模糊查询like需要注意的地方]]></title><link>https://blog.youkuaiyun.com/qq_42485441/article/details/110045765</link><guid>https://blog.youkuaiyun.com/qq_42485441/article/details/110045765</guid><author>qq_42485441</author><pubDate>Tue, 24 Nov 2020 10:54:00 +0800</pubDate><description><![CDATA[一、mybatis  模糊查询like需要注意的地方
1、当模糊查询条件里包含了参数传递
&lt;select id="findArticles" resultMap="findArticlBycategoryId"&gt;
		select id,title,author,publishDate,readTimes,content,flag,category_id from cms_article
		&lt;where&gt;
			&lt;if test="condition.beginTime!=n]]></description><category></category></item><item><title><![CDATA[xml文件里面输出特殊字符：CDATA]]></title><link>https://blog.youkuaiyun.com/qq_42485441/article/details/110042363</link><guid>https://blog.youkuaiyun.com/qq_42485441/article/details/110042363</guid><author>qq_42485441</author><pubDate>Tue, 24 Nov 2020 10:21:31 +0800</pubDate><description><![CDATA[一、xml文件里面输出特殊字符：CDATA
1、问题描述
当我在mybatis动态sql条件查询是&gt;=没事，但使用到&lt;=时，发现xml报错了
	&lt;select id="findArticleTotal" resultType="int"&gt;
		select count(*) FROM cms_article
		&lt;where&gt;
			&lt;if test="condition.beginTime!=null"&gt;
				publishDate &gt;= #{co]]></description><category></category></item><item><title><![CDATA[springMVC使用forward或redirect进行视图跳转时发生自动拼接参数到url后面的解决方案]]></title><link>https://blog.youkuaiyun.com/qq_42485441/article/details/109786258</link><guid>https://blog.youkuaiyun.com/qq_42485441/article/details/109786258</guid><author>qq_42485441</author><pubDate>Wed, 18 Nov 2020 21:18:00 +0800</pubDate><description><![CDATA[一、springMVC使用forward或redirect进行跳转时发生自动拼接参数到url后面的解决方案
1、问题描述
当使用类似如下forword进行页面跳转时，
	@RequestMapping("/user/userinfo.do")
	public String updateCustomer(Customer customer) {
		cservice.updateCustomer(customer);
		return "../login.jsp";
	}

跳转后的url显示如下：

参数会]]></description><category></category></item><item><title><![CDATA[java开发  listener、servlet通过@Autowired取不到spring里的bean（bean值为null）]]></title><link>https://blog.youkuaiyun.com/qq_42485441/article/details/109715241</link><guid>https://blog.youkuaiyun.com/qq_42485441/article/details/109715241</guid><author>qq_42485441</author><pubDate>Mon, 16 Nov 2020 10:45:24 +0800</pubDate><description><![CDATA[一、listener通过@Autowired取不到spring里的bean
1、问题描述
监听器里直接通过@Autowired注解取spring里的bean时是取不到的，

取到的都是null，调用bean方法就会报空指针异常。

2、原因分析
当调用bean内方法时，spring容器中还没有完成对注解bean的扫描，

spring-config.xml中配置的注解bean的优先级没有框架中的contextListener的优先级高，

也就是说，spring里bean的初始化完成是在contextLis]]></description><category></category></item><item><title><![CDATA[java开发 spring整合springMVC(+mybatis)]]></title><link>https://blog.youkuaiyun.com/qq_42485441/article/details/109643733</link><guid>https://blog.youkuaiyun.com/qq_42485441/article/details/109643733</guid><author>qq_42485441</author><pubDate>Thu, 12 Nov 2020 16:21:29 +0800</pubDate><description><![CDATA[spring整合springMVC
一、步骤
1、添加springMVC所需jar包

1、项目包结构

2、在web.xml文件里配置请求分发器springMVC(DispatcherServlet)
&lt;?xml version="1.0" encoding="UTF-8"?&gt;
&lt;web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xmlns="http://xmlns.jcp.org/xml/ns/javaee"]]></description><category></category></item><item><title><![CDATA[java开发  spring整合mybatis]]></title><link>https://blog.youkuaiyun.com/qq_42485441/article/details/109642895</link><guid>https://blog.youkuaiyun.com/qq_42485441/article/details/109642895</guid><author>qq_42485441</author><pubDate>Thu, 12 Nov 2020 14:38:27 +0800</pubDate><description><![CDATA[spring整合mybatis（基于xml）
一、步骤
1、导入mybatis-spring.jar包
2、项目包结构

由于除配置文件外的其他文件都是一些常规文件，不在重复。

3、dao层mapper配置文件
StudentMapper.xml
&lt;?xml version="1.0" encoding="UTF-8"?&gt;
&lt;!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dt]]></description><category></category></item></channel></rss>