場(chǎng)景

1.SpringBoot自動(dòng)配置了消息轉(zhuǎn)化器。

2.自定義消息轉(zhuǎn)化器，只需要在類中添加消息轉(zhuǎn)化器的@Bean,就會(huì)被SpringBoot自動(dòng)加入到容器中。

實(shí)現(xiàn)

項(xiàng)目搭建見(jiàn)專欄：

https://blog.csdn.net/BADAO_LIUMANG_QIZHI/column/info/35688

新建Controller

package com.example.demo.controller;import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.EnableAutoConfiguration;import org.springframework.http.converter.StringHttpMessageConverter; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.ResponseBody;@Controller @EnableAutoConfiguration public class TestMessageConvertController {//定義消息轉(zhuǎn)換器//SpringBoot默認(rèn)配置了消息轉(zhuǎn)換器@Beanpublic StringHttpMessageConverter stringHttpMessageConverter() {StringHttpMessageConverter stringHttpMessageConverter =new StringHttpMessageConverter(Charset.forName("ISO8859-1"));return stringHttpMessageConverter;}@RequestMapping("/testMessageConvert")@ResponseBodypublic String testMessageConvert() {return "你好！！！";}public static void main(String[] args) {SpringApplication.run(TestMessageConvertController.class, args);} }

運(yùn)行項(xiàng)目，打開(kāi)瀏覽器輸入：

http://localhost:8080/testMessageConvert

由此可見(jiàn)，SpringBoot自帶編碼過(guò)濾器，即使是中文也不會(huì)亂碼。

實(shí)現(xiàn)自定義編碼過(guò)濾器

package com.example.demo.controller;import java.nio.charset.Charset;import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.EnableAutoConfiguration; import org.springframework.context.annotation.Bean; import org.springframework.http.converter.StringHttpMessageConverter; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.ResponseBody;@Controller @EnableAutoConfiguration public class TestMessageConvertController {//定義消息轉(zhuǎn)換器//SpringBoot默認(rèn)配置了消息轉(zhuǎn)換器@Beanpublic StringHttpMessageConverter stringHttpMessageConverter() {StringHttpMessageConverter stringHttpMessageConverter =new StringHttpMessageConverter(Charset.forName("ISO8859-1"));return stringHttpMessageConverter;}@RequestMapping("/testMessageConvert")@ResponseBodypublic String testMessageConvert() {return "你好！！！";}public static void main(String[] args) {SpringApplication.run(TestMessageConvertController.class, args);} }

?

再運(yùn)行項(xiàng)目，刷新瀏覽器

源碼下載

https://download.csdn.net/download/badao_liumang_qizhi/11074223

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