<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[Future_IT_Daniel的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/Future_IT_Daniel</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; Future_IT_Daniel]]></copyright><item><title><![CDATA[MYSQL根据id递归向下查询所有子级]]></title><link>https://blog.youkuaiyun.com/Future_IT_Daniel/article/details/102935752</link><guid>https://blog.youkuaiyun.com/Future_IT_Daniel/article/details/102935752</guid><author>Future_IT_Daniel</author><pubDate>Wed, 06 Nov 2019 15:17:33 +0800</pubDate><description><![CDATA[SELECT
 ID.LEVEL,
 DATA.*
FROM
 (
SELECT
 @ids AS _ids,
 ( SELECT @ids := GROUP_CONCAT( id ) FROM 表名 WHERE FIND_IN_SET( 父级id字段, @ids ) ) AS cids,
 @l := @l + 1 AS LEVEL
FROM
 表名...]]></description><category></category></item><item><title><![CDATA[mybatis-generator自动生成代码]]></title><link>https://blog.youkuaiyun.com/Future_IT_Daniel/article/details/78791790</link><guid>https://blog.youkuaiyun.com/Future_IT_Daniel/article/details/78791790</guid><author>Future_IT_Daniel</author><pubDate>Wed, 13 Dec 2017 14:58:47 +0800</pubDate><description><![CDATA[用了maven，首先在pom.xml中添加配置：


		UTF-8
		UTF-8
		1.8
		7.0.82
		1.3.2
	

            org.mybatis.generator
            mybatis-generator-core
            ${mybatis-generator.version}
        

 
		  ]]></description><category></category></item><item><title><![CDATA[第一次访问本机上的spring-boot报错：java.lang.NumberFormatException: For input string: "index"]]></title><link>https://blog.youkuaiyun.com/Future_IT_Daniel/article/details/78526825</link><guid>https://blog.youkuaiyun.com/Future_IT_Daniel/article/details/78526825</guid><author>Future_IT_Daniel</author><pubDate>Tue, 14 Nov 2017 09:19:23 +0800</pubDate><description><![CDATA[具体的报错情况：Failed to convert value of type 'java.lang.String' to required type 'int'; nested exception is java.lang.NumberFormatException: For input string: "index"
查找了下说的是类型错误，第一次外部访问的时候就是老是报错这个东东，具体的原]]></description><category></category></item><item><title><![CDATA[前端导出excel文件]]></title><link>https://blog.youkuaiyun.com/Future_IT_Daniel/article/details/69248452</link><guid>https://blog.youkuaiyun.com/Future_IT_Daniel/article/details/69248452</guid><author>Future_IT_Daniel</author><pubDate>Wed, 05 Apr 2017 14:26:07 +0800</pubDate><description><![CDATA[页面定义：
    ExportExcel
    

    

js代码：
 exportExcel :function(){
	        	var data = temperature.$illuminationDatagrid.datagrid("getData");
	        	if(data.total == 0){
	        		 $.messager.al]]></description><category></category></item><item><title><![CDATA[前端时间戳转化时间显示格式yymmdd HHmmss]]></title><link>https://blog.youkuaiyun.com/Future_IT_Daniel/article/details/69230394</link><guid>https://blog.youkuaiyun.com/Future_IT_Daniel/article/details/69230394</guid><author>Future_IT_Daniel</author><pubDate>Wed, 05 Apr 2017 11:50:14 +0800</pubDate><description><![CDATA[时间转换的js方法:
//扩展Date的format方法
Date.prototype.format = function (format) {
    var o = {
        "M+": this.getMonth() + 1,
        "d+": this.getDate(),
        "h+": this.getHours(),
        "m+": th]]></description><category></category></item><item><title><![CDATA[根据数据库中时间查询的操作]]></title><link>https://blog.youkuaiyun.com/Future_IT_Daniel/article/details/53780978</link><guid>https://blog.youkuaiyun.com/Future_IT_Daniel/article/details/53780978</guid><author>Future_IT_Daniel</author><pubDate>Wed, 21 Dec 2016 10:08:19 +0800</pubDate><description><![CDATA[数据库中的时间格式为varchar类型：@RequestMapping("/findToTime")
	@ResponseBody
	 public List findToTime(String st)  {
                 Exponent exponent = JSON.parseObject(st,Exponent.class);
			String dt = expone]]></description><category></category></item><item><title><![CDATA[导出excel]]></title><link>https://blog.youkuaiyun.com/Future_IT_Daniel/article/details/53780823</link><guid>https://blog.youkuaiyun.com/Future_IT_Daniel/article/details/53780823</guid><author>Future_IT_Daniel</author><pubDate>Wed, 21 Dec 2016 09:55:06 +0800</pubDate><description><![CDATA[控制层操作;
//导出excel
	@RequestMapping("/toExcel")
	public void downLoadExcel(HttpServletRequest request, HttpServletResponse response){
		String fileName = "生长适宜性指数";
		List> listmap = new ArrayList>();
]]></description><category></category></item><item><title><![CDATA[easyui中datatime设置]]></title><link>https://blog.youkuaiyun.com/Future_IT_Daniel/article/details/53780760</link><guid>https://blog.youkuaiyun.com/Future_IT_Daniel/article/details/53780760</guid><author>Future_IT_Daniel</author><pubDate>Wed, 21 Dec 2016 09:51:27 +0800</pubDate><description><![CDATA[function time(){
    	var time = new Date();
    	$("#startDate").datebox("setValue",myFormatter(time));
    	$("#endDate").datebox("setValue","new Date()");
    }
    //格式化时间
    function myFormatter]]></description><category></category></item><item><title><![CDATA[分页]]></title><link>https://blog.youkuaiyun.com/Future_IT_Daniel/article/details/53780707</link><guid>https://blog.youkuaiyun.com/Future_IT_Daniel/article/details/53780707</guid><author>Future_IT_Daniel</author><pubDate>Wed, 21 Dec 2016 09:48:27 +0800</pubDate><description><![CDATA[//分页
function getData(){
	var rows = [];
	for(var i=1; i<=800; i++){
		var amount = Math.floor(Math.random()*1000);
		var price = Math.floor(Math.random()*1000);
		rows.push({
			date: $.fn.datebox.de]]></description><category></category></item><item><title><![CDATA[二级联动]]></title><link>https://blog.youkuaiyun.com/Future_IT_Daniel/article/details/53404217</link><guid>https://blog.youkuaiyun.com/Future_IT_Daniel/article/details/53404217</guid><author>Future_IT_Daniel</author><pubDate>Wed, 30 Nov 2016 09:22:27 +0800</pubDate><description><![CDATA[下拉框：监测站点:
				全省
				分区
				分地市
				分果区
				分站点
	   
	     
js：
 $(function(){
	 $('#town').combobox({    
		    valueField:'id',    
		    textField:'text',
		    pannelHeight:"auto"
		});
	 $('#to]]></description><category></category></item><item><title><![CDATA[SSM报错：java.sql.SQLException: 无效的列类型: 1111]]></title><link>https://blog.youkuaiyun.com/Future_IT_Daniel/article/details/51953866</link><guid>https://blog.youkuaiyun.com/Future_IT_Daniel/article/details/51953866</guid><author>Future_IT_Daniel</author><pubDate>Tue, 19 Jul 2016 10:55:15 +0800</pubDate><description><![CDATA[居然没写传值：
@RequestMapping(value="/reg.action")
public void reg(HttpServletRequest req,HttpServletResponse resp) throws UnsupportedEncodingException{
	req.setCharacterEncoding("utf-8");
	String userName]]></description><category></category></item><item><title><![CDATA[Hibernate框架篇1（基本的运行步骤）]]></title><link>https://blog.youkuaiyun.com/Future_IT_Daniel/article/details/51952884</link><guid>https://blog.youkuaiyun.com/Future_IT_Daniel/article/details/51952884</guid><author>Future_IT_Daniel</author><pubDate>Tue, 19 Jul 2016 09:40:55 +0800</pubDate><description><![CDATA[1.倒入相应的jar包


2.在SRC下建立一个hibernate.cfg.xml

<!DOCTYPE hibernate-configuration PUBLIC
    "-//Hibernate/Hibernate Configuration DTD//EN"
    "http://hibernate.sourceforge.net/hibernate-configuratio]]></description><category></category></item><item><title><![CDATA[SpringMVC的Handler处理及url映射]]></title><link>https://blog.youkuaiyun.com/Future_IT_Daniel/article/details/51915314</link><guid>https://blog.youkuaiyun.com/Future_IT_Daniel/article/details/51915314</guid><author>Future_IT_Daniel</author><pubDate>Fri, 15 Jul 2016 10:18:49 +0800</pubDate><description><![CDATA[1.Handler的理解？

一个handler就是一个控制器里的某个方法，而通常情况下，该方法会对应到相应的url
2.每个Handler的返回值？

1）返回的是ModelAndView对象？

ModelAndView代表的是响应的视图，还有一个向该视图传递的数据。比如：
@RequestMapping(value="/getalluser.action")
	public ]]></description><category></category></item><item><title><![CDATA[ssm框架总体整合]]></title><link>https://blog.youkuaiyun.com/Future_IT_Daniel/article/details/51910159</link><guid>https://blog.youkuaiyun.com/Future_IT_Daniel/article/details/51910159</guid><author>Future_IT_Daniel</author><pubDate>Thu, 14 Jul 2016 16:00:19 +0800</pubDate><description><![CDATA[一.整合之后结构如下：

 具体配置内容如下：
1.创建springmvc.xml文件配置如下

<beans xmlns="http://www.springframework.org/schema/beans"  
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  
    xmlns:p="http://www.s]]></description><category></category></item><item><title><![CDATA[SpringMVC与ssm的整合]]></title><link>https://blog.youkuaiyun.com/Future_IT_Daniel/article/details/51887961</link><guid>https://blog.youkuaiyun.com/Future_IT_Daniel/article/details/51887961</guid><author>Future_IT_Daniel</author><pubDate>Tue, 12 Jul 2016 12:27:34 +0800</pubDate><description><![CDATA[1.SpringMVC的框架原理图：



第一步：发起请求到前端控制器(DispatcherServlet) 
第二步：前端控制器请求HandlerMapping查找 Handler 可以根据xml配置、注解进行查找
第三步：处理器映射器HandlerMapping向前端控制器返回Handler 
第四步：前端控制器调用处理器适配器去执行Handler 
第五步：处理器适配器去执]]></description><category></category></item><item><title><![CDATA[Spring中的事务]]></title><link>https://blog.youkuaiyun.com/Future_IT_Daniel/article/details/51858160</link><guid>https://blog.youkuaiyun.com/Future_IT_Daniel/article/details/51858160</guid><author>Future_IT_Daniel</author><pubDate>Fri, 08 Jul 2016 09:20:43 +0800</pubDate><description><![CDATA[事务的定义：

事务（Transaction）是并发控制的单位，是用户定义的一个操作序列

1.原子性：              

事务是数据库的逻辑工作单位，事务中包括的诸操作要么全做，要么全不做

2.一致性：

 事务执行的结果必须是使数据库从一个一致性状态变到另一个一致性状态。一致性与原子性是密切相关的。

3.隔离性：

一个事务的执行不能被其他事务干扰]]></description><category></category></item><item><title><![CDATA[AOP编程]]></title><link>https://blog.youkuaiyun.com/Future_IT_Daniel/article/details/51848537</link><guid>https://blog.youkuaiyun.com/Future_IT_Daniel/article/details/51848537</guid><author>Future_IT_Daniel</author><pubDate>Thu, 07 Jul 2016 09:29:06 +0800</pubDate><description><![CDATA[1.为什么会有AOP？
        开发人员在编写应用程序的时候，通常包含两种代码：一种是和业务系统有关系的代码，一种是和业务系统关系不大的代码，列如日志，事务处理，权限处理等等。以前的程序中，这两种代码是写在一起的。这样一来程序中到处充满了相同或类似的代码，不利于维护。而AOP的目的就是让这两种代码分离解耦，这样程序员就能专心于业务处理，而且达到维护和重用的目的。


2.AOP的思]]></description><category></category></item><item><title><![CDATA[Spring同Mybatis的整合]]></title><link>https://blog.youkuaiyun.com/Future_IT_Daniel/article/details/51836252</link><guid>https://blog.youkuaiyun.com/Future_IT_Daniel/article/details/51836252</guid><author>Future_IT_Daniel</author><pubDate>Wed, 06 Jul 2016 09:02:07 +0800</pubDate><description><![CDATA[1.引入相应的jar包。（Mybatis的jar包，Spring的jar包，mybatis-spring-1.1.1.jar）


2.编写相应的包（三层的包）。搭建



3.配置相应的spring的配置 package applicationContext.xml

1）配置相应的数据源的配置




xmlns="http://www.springframewor]]></description><category></category></item><item><title><![CDATA[Spring框架]]></title><link>https://blog.youkuaiyun.com/Future_IT_Daniel/article/details/51828657</link><guid>https://blog.youkuaiyun.com/Future_IT_Daniel/article/details/51828657</guid><author>Future_IT_Daniel</author><pubDate>Tue, 05 Jul 2016 09:08:15 +0800</pubDate><description><![CDATA[1.Spring的IOC理解：

OC你就认为他是一个生产和管理bean的容器就行了，原来需要在调用类中new的东西，现在都是有这个IOC容器进行产生
2.编写Spring的程序：

1）引入Spring相关的jar包。（可以从官网下载，下载之后将lib下的jar包拷贝到项目中,另外一种方式是通过myeclipse去完成…..）
like:直接在MyEclipse内倒入包：右键--My]]></description><category></category></item><item><title><![CDATA[MyBatis中实现动态的SQL语句，分页以及mybatis的常用的配置]]></title><link>https://blog.youkuaiyun.com/Future_IT_Daniel/article/details/51810489</link><guid>https://blog.youkuaiyun.com/Future_IT_Daniel/article/details/51810489</guid><author>Future_IT_Daniel</author><pubDate>Sat, 02 Jul 2016 11:49:11 +0800</pubDate><description><![CDATA[1.动态SQL：在SQL语句中加入流程控制。比如加入if，foreach等。
 重点掌握if语句：
 案例1：]]></description><category></category></item></channel></rss>