SSM中引入layui失败，springmvc.xml配置访问静态资源
springmvc访问静态资源的springmvc.xml配置
一. 问题及需求
由于Spring MVC的web.xml文件中关于DispatcherServlet拦截url的配置为"/"，拦截了所有的请求，同时*.js，*.jpg等静态资源也被拦截了，导致运行时跳转后的页面无法加载layUI资源，如下图所示。
web.xml：
<!-- 配置DispatcherServlet所要拦截的url --> <servlet-mapping> <servlet-name>springmvc</servlet-name> <url-pattern>/</url-pattern> </servlet-mapping>
index.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width, initial-scale=1"> <title>在线测试</title> <meta name="renderer" content="webkit"> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> <meta name="viewport" content="width=device-width, initial-scale=1"> <!-- 注意：项目正式环境请引用本地地址 --> <link rel="stylesheet" href="layui/css/layui.css"> <script src="layui/layui.js"></script> </head> <body> <!-- 你的 HTML 代码 --> <script> layui.use(['layer', 'form'], function(){ var layer = layui.layer; var form = layui.form; <!--弹出窗口Hello World--> layer.msg('Hello World'); }); </script> </body> </html>
需求：正常加载出layUI资源。
二. 解决方案
问题出在：只需要修改springmvc.xml
<?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:context="http://www.springframework.org/schema/context" xmlns:mvc="http://www.springframework.org/schema/mvc" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/mvc https://www.springframework.org/schema/mvc/spring-mvc.xsd"> <!--注解固定写法--> <!--自动扫描包：让指定包下的注解生效，有IOC容器统一管理--> <context:component-scan base-package="com.tongda.controller"/> <!--SpringMvc 不处理静态资源，视图解析器不进行过滤，如 .css .js .html--> <mvc:default-servlet-handler/> <!-- 支持mvc注解驱动 在Spring中一般采用@RequestMapping注解来完成映射关系 要想是@RequestMapping注解生效 必须向上下文中注册DefaultAnnotationHandlerMapping 和一个AnnotationMethodHandlerAdapter实例 这两个实例分别在类级别和方法级别处理 而annotation-driven配置帮助我们自动完成上述两个实例的注入 --> <!--//<mvc:annotation-driven/>--> <!--json乱码配置问题，如果报了500错，就去掉这行中文注释--> <mvc:annotation-driven> <mvc:message-converters register-defaults="true"> <bean class="org.springframework.http.converter.StringHttpMessageConverter"> <constructor-arg value="UTF-8"/> </bean> <bean class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter"> <property name="objectMapper"> <bean class="org.springframework.http.converter.json.Jackson2ObjectMapperFactoryBean"> <property name="failOnEmptyBeans" value="false"/> </bean> </property> </bean> </mvc:message-converters> </mvc:annotation-driven> <!--以上的是定死的代码， 以下是配置视图解析器，prefix前缀，suffix后缀--> <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver" id="internalResourceViewResolver"> <property name="prefix" value="/WEB-INF/jsp/" /> <property name="suffix" value=".jsp" /> </bean> <!--过滤静态资源:导入layui时--> <mvc:resources mapping="/layui/**" location="WEB-INF/layui/"/> </beans>
三. 测试
3.1. 在WEB-INF下创建名为layui的文件夹，最后项目结构如下图：
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width, initial-scale=1"> <title>在线测试</title> <meta name="renderer" content="webkit"> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> <meta name="viewport" content="width=device-width, initial-scale=1"> <!-- 注意：项目正式环境请引用本地地址 --> <link rel="stylesheet" href="layui/css/layui.css"> <script src="layui/layui.js"></script> </head> <body> <table class="layui-hide" id="test"></table> <!-- 注意：项目正式环境请引用该地址 --> <form class="layui-form" action=""> <div class="layui-form-item"> <label class="layui-form-label">输入框</label> <div class="layui-input-block"> <input type="text" name="title" required lay-verify="required" placeholder="请输入标题" autocomplete="off" class="layui-input"> </div> </div> <div class="layui-form-item"> <label class="layui-form-label">密码框</label> <div class="layui-input-inline"> <input type="password" name="password" required lay-verify="required" placeholder="请输入密码" autocomplete="off" class="layui-input"> </div> <div class="layui-form-mid layui-word-aux">辅助文字</div> </div> <div class="layui-form-item"> <label class="layui-form-label">选择框</label> <div class="layui-input-block"> <select name="city" lay-verify="required"> <option value=""></option> <option value="0">北京</option> <option value="1">上海</option> <option value="2">广州</option> <option value="3">深圳</option> <option value="4">杭州</option> </select> </div> </div> <div class="layui-form-item"> <label class="layui-form-label">复选框</label> <div class="layui-input-block"> <input type="checkbox" name="like[write]" title="写作"> <input type="checkbox" name="like[read]" title="阅读" checked> <input type="checkbox" name="like[dai]" title="发呆"> </div> </div> <div class="layui-form-item"> <label class="layui-form-label">开关</label> <div class="layui-input-block"> <input type="checkbox" name="switch" lay-skin="switch"> </div> </div> <div class="layui-form-item"> <label class="layui-form-label">单选框</label> <div class="layui-input-block"> <input type="radio" name="sex" value="男" title="男"> <input type="radio" name="sex" value="女" title="女" checked> </div> </div> <div class="layui-form-item layui-form-text"> <label class="layui-form-label">文本域</label> <div class="layui-input-block"> <textarea name="desc" placeholder="请输入内容" class="layui-textarea"></textarea> </div> </div> <div class="layui-form-item"> <div class="layui-input-block"> <button class="layui-btn" lay-submit lay-filter="formDemo">立即提交</button> <button type="reset" class="layui-btn layui-btn-primary">重置</button> </div> </div> </form> <script> //Demo layui.use('form', function(){ var form = layui.form; //提交 form.on('submit(formDemo)', function(data){ layer.msg(JSON.stringify(data.field)); return false; }); }); </script> </body> </html>
