WebMvcConfigurerAdapter类并重载其方法实现的;在Spring MVC中路径参数如果带.的话,.后面的值将被忽略,本例演示配置configurePathMatch不忽略点后面的参数;
演示控制器
@RequestMapping("/configPath/{test}")
public @ResponseBody String configPath(@PathVariable String test){
return "request value:"+test;
}
WebMvcConfigurerAdapter的DemoMVCConfig类中重载configurePathMatch
@Override
public void configurePathMatch(PathMatchConfigurer configurer) {
configurer.setUseSuffixPatternMatch(false);
}
test.jsp
@RequestMapping("/mytest")
public String test(){
return "test";
}
WebMvcConfigurerAdapter的DemoMVCConfig类中重载addViewControllers
@Override
public void addViewControllers(ViewControllerRegistry registry) {
registry.addViewController("/mytest").setViewName("/test");
//添加更多
}
HttpMessageConverter
HttpMessageConverter是对http的request和response进行自动转换配置HttpMessageConverter可重载下面两个方法任意一个
configureMessageConverters:重载会覆盖掉spring mvc默认注册的多个HttpMessageConverter
extendMessageConverters:仅添加一个自定义的HttpMessageConverter,不覆盖默认注册的HttpMessageConverter
通过对上面的讲述,我们一般是重载extendMessageConverters方法;
下面我们演示使用js向spring mvc发送自定义格式的字符串(属性用-隔开),通过自定义的HttpMessageConverter自动转换成对象,然后通过HttpMessageConverter输出指定格式到浏览器
测试javabean
package com.wisely.domain;
public class Person {
private String firstName;
private String lastName;
public Person(String firstName, String lastName) {
super();
this.firstName = firstName;
this.lastName = lastName;
}
public String getFirstName() {
return firstName;
}
public void setFirstName(String firstName) {
this.firstName = firstName;
}
public String getLastName() {
return lastName;
}
public void setLastName(String lastName) {
this.lastName = lastName;
}
}
HttpMessageConverter：WiselyMessageConverter
package com.wisely.converters;
import java.io.IOException;
import java.nio.charset.Charset;
import org.springframework.http.HttpInputMessage;
import org.springframework.http.HttpOutputMessage;
import org.springframework.http.MediaType;
import org.springframework.http.converter.AbstractHttpMessageConverter;
import org.springframework.http.converter.HttpMessageNotReadableException;
import org.springframework.http.converter.HttpMessageNotWritableException;
import org.springframework.util.StreamUtils;
import com.wisely.domain.Person;
public class WiselyMessageConverter extends AbstractHttpMessageConverter<Person> {
//自定义媒体类型
public WiselyMessageConverter(){
super(new MediaType("application", "x-wisely", Charset.forName("UTF-8")));
}
//从request里获得构造Person实例的数据
@Override
protected Person readInternal(Class<? extends Person> clazz,
HttpInputMessage inputMessage) throws IOException, HttpMessageNotReadableException {
String temp = StreamUtils.copyToString(inputMessage.getBody(),
Charset.forName("UTF-8"));
String[] tempArr = temp.split("-");
return new Person(tempArr[0],tempArr[1]);
}
//只支持Person类
@Override
protected boolean supports(Class<?> clazz) {
return Person.class.isAssignableFrom(clazz);
}
//将person实例转换成你想要的字符串格式
@Override
protected void writeInternal(Person person, HttpOutputMessage outputMessage)
throws IOException, HttpMessageNotWritableException {
String out = "hello:" +person.getFirstName() + "-" + person.getLastName();
outputMessage.getBody().write(out.getBytes());
}
}
WiselyMessageConverter
@Override
public void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
WiselyMessageConverter converter = new WiselyMessageConverter();
converters.add(converter);
}
注释掉上例的configureContentNegotiation,这里会自动将媒体类型变为text/html
// 配置ContentNegotiationManager,在无后缀名情况下默认为jsp view resolver
// @Override
// public void configureContentNegotiation(
// ContentNegotiationConfigurer configurer) {
// //忽略请求的header信息,并将contentType置为text/html
// configurer.ignoreAcceptHeader(true).defaultContentType(
// MediaType.TEXT_HTML);
// }
@RequestMapping(value = "/convert", produces = { "application/x-wisely" })
public @ResponseBody Person convert(@RequestBody Person person) {
return person;
}
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<div id="resp"></div><input type="button" onclick="req();" value="请求"/>
<script src="js/jquery.js" type="text/javascript"></script>
<script>
function req(){
$.ajax({
url: "convert",
data: "wang-yunfei",//注意此处的格式
type:"POST",
contentType:"application/x-wisely",
success: function(data){
$("#resp").html(data);
}
});
}
</script>
</body>
</html>
08点睛Spring MVC4.1-Spring MVC的配置(含自定义HttpMessageConverter)
原文：http://wiselyman.iteye.com/blog/2215737