SpringBoot如何使用Fastjson解析Json数据
方法一:
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1.在pom.xml文件下添加依赖包
com.alibaba fastjson 1.2.15
2.修改启动文件
package myshop; import java.util.List; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.http.converter.HttpMessageConverter; import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter; import com.alibaba.fastjson.serializer.SerializerFeature; import com.alibaba.fastjson.support.config.FastJsonConfig; import com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter; @SpringBootApplication public class App extends WebMvcConfigurerAdapter{ @Override public void configureMessageConverters(List> converters) { // TODO Auto-generated method stub super.configureMessageConverters(converters); FastJsonHttpMessageConverter fastConverter = new FastJsonHttpMessageConverter(); FastJsonConfig fastConfig = new FastJsonConfig(); fastConfig.setSerializerFeatures(SerializerFeature.PrettyFormat); fastConverter.setFastJsonConfig(fastConfig); converters.add(fastConverter); } public static void main(String[] args) { // TODO Auto-generated method stub SpringApplication.run(App.class, args); } }
3.修改实体类
package myshop.entity; import java.util.Date; import com.alibaba.fastjson.annotation.JSONField; /** * 用户类 * */ public class User { private int id; private String username; private String password; @JSONField(format = "yyyy-MM-dd HH-mm") private Date createTime; /** * 如果不希望返回remark信息 * serialize是否序列化 */ @JSONField(serialize = false) private String remark; public int getId() { return id; } public void setId(int id) { this.id = id; } public String getUsername() { return username; } public void setUsername(String username) { this.username = username; } public String getPassword() { return password; } public void setPassword(String password) { this.password = password; } public Date getCreateTime() { return createTime; } public void setCreateTime(Date createTime) { this.createTime = createTime; } public String getRemark() { return remark; } public void setRemark(String remark) { this.remark = remark; } }
4.修改控制器
package myshop.controller; import java.util.Date; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RestController; import myshop.entity.User; /** * @RestController = @Controller + @RequestBody * */ @RestController public class HelloController { /** * 建立请求映射 * */ @RequestMapping("/hello") public String hello() { return "hello"; } /** * SpringBoot默认的解析框架Jackson * */ @RequestMapping("/getUser") public User gerUser() { User user = new User(); user.setId(1); user.setUsername("天恒"); user.setPassword("123456"); user.setCreateTime(new Date()); //此信息不会被返回 user.setRemark("这是备注信息!"); return user; } }
5.启动项目,在浏览器输入地址:http://localhost:8080/getUser
方法二:除了启动类,其余代码都和方法一一样
package myshop; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.boot.autoconfigure.web.HttpMessageConverters; import org.springframework.context.annotation.Bean; import org.springframework.http.converter.HttpMessageConverter; import com.alibaba.fastjson.serializer.SerializerFeature; import com.alibaba.fastjson.support.config.FastJsonConfig; import com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter; @SpringBootApplication public class App { @Bean public HttpMessageConverters fastJsonHttpMessageConverter() { FastJsonHttpMessageConverter fastConverter = new FastJsonHttpMessageConverter(); FastJsonConfig fastConfig = new FastJsonConfig(); fastConfig.setSerializerFeatures(SerializerFeature.PrettyFormat); fastConverter.setFastJsonConfig(fastConfig); HttpMessageConverter<?> converts = fastConverter; return new HttpMessageConverters(converts); } public static void main(String[] args) { // TODO Auto-generated method stub SpringApplication.run(App.class, args); } }
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