一、搭建步骤
1、导入jar包、创建项目包结构
2、在web.xml中配置前端控制器
3、编写springmvc核心配置文件
4、编写pojo类和controller类测试
二、实现
1、导入jar包、创建项目包结构
2、在web.xml中配置前端控制器
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<!-- springmvc前端控制器 --> <servlet> <servlet-name>springmvc</servlet-name> <servlet- class >org.springframework.web.servlet.dispatcherservlet</servlet- class > <!-- 指定springmvc核心配置文件位置 如果没有指定那么默认就会去 "/web-inf/+ <servlet-name>标签中内容 + -servlet.xml" 中找 例如: "/web-inf/springmvc-servlet.xml" --> <init-param> <param-name>contextconfiglocation</param-name> <param-value>classpath:springmvc.xml</param-value> </init-param> <load-on-startup> 2 </load-on-startup> </servlet> <servlet-mapping> <servlet-name>springmvc</servlet-name> <url-pattern>*.action</url-pattern> </servlet-mapping> |
3、编写springmvc核心配置文件
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<?xml version= "1.0" encoding= "utf-8" ?> <beans xmlns= " http://www.springframework.org/schema/beans " xmlns:xsi= " http://www.w3.org/2001/xmlschema-instance " xmlns:p= " http://www.springframework.org/schema/p " xmlns:context= " http://www.springframework.org/schema/context " xmlns:dubbo= " http://code.alibabatech.com/schema/dubbo " xmlns:mvc= " http://www.springframework.org/schema/mvc " xsi:schemalocation="http: //www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd http: //www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd http: //code.alibabatech.com/schema/dubbo http://code.alibabatech.com/schema/dubbo/dubbo.xsd http: //www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd "> <!-- 配置 @controller 注解扫描 --> <context:component-scan base- package = "cn.it.controller" ></context:component-scan> </beans> |
4、编写pojo类和controller类测试
pojo类代码:
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package cn.it.pojo; import java.util.date; public class items { private integer id; private string name; private float price; private string pic; private date createtime; private string detail; public integer getid() { return id; } public void setid(integer id) { this .id = id; } public string getname() { return name; } public void setname(string name) { this .name = name == null ? null : name.trim(); } public float getprice() { return price; } public void setprice( float price) { this .price = price; } public string getpic() { return pic; } public void setpic(string pic) { this .pic = pic == null ? null : pic.trim(); } public date getcreatetime() { return createtime; } public void setcreatetime(date createtime) { this .createtime = createtime; } public string getdetail() { return detail; } public void setdetail(string detail) { this .detail = detail == null ? null : detail.trim(); } } |
controller类代码:
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package cn.it.controller; import java.util.arraylist; import java.util.list; import org.springframework.stereotype.controller; import org.springframework.web.bind.annotation.requestmapping; import org.springframework.web.servlet.modelandview; import cn.it.pojo.items; @controller public class itemscontroller { //@requestmapping指定url到请求方法的映射,例如: @requestmapping ( "/itemslist" ) public modelandview itemslist(){ list<items>itemlist = new arraylist<items>(); //商品列表 items items_1 = new items(); items_1.setname( "联想笔记本_3" ); items_1.setprice(6000f); items_1.setdetail( "thinkpad t430 联想笔记本电脑!" ); items items_2 = new items(); items_2.setname( "苹果手机" ); items_2.setprice(5000f); items_2.setdetail( "iphone6苹果手机!" ); itemlist.add(items_1); itemlist.add(items_2); /* * 模型和视图: * model模型:模型对象中存放了返回给页面的数据 * view视图:视图对象中指定了返回的页面的位置 */ //创建modelandview对象 modelandview modelandview = new modelandview(); modelandview.addobject( "itemlist" , itemlist); modelandview.setviewname( "/web-inf/jsp/itemlist.jsp" ); return modelandview; } } |
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。
原文链接:http://www.cnblogs.com/zhaochi/archive/2017/08/10/7338837.html