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解决各种 json 库的兼容性问题
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@ -5,6 +5,7 @@ import cn.iocoder.dashboard.common.exception.GlobalException;
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import cn.iocoder.dashboard.common.exception.ServiceException;
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import cn.iocoder.dashboard.common.exception.enums.GlobalErrorCodeConstants;
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import com.alibaba.fastjson.annotation.JSONField;
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import com.fasterxml.jackson.annotation.JsonIgnore;
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import lombok.Data;
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import org.springframework.util.Assert;
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@ -68,12 +69,14 @@ public final class CommonResult<T> implements Serializable {
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return result;
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}
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@JSONField(serialize = false) // 避免序列化
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@JSONField(serialize = false) // 避免 fastjson 序列化
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@JsonIgnore // 避免 jackson 序列化
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public boolean isSuccess() {
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return GlobalErrorCodeConstants.SUCCESS.getCode().equals(code);
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}
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@JSONField(serialize = false) // 避免序列化
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@JSONField(serialize = false) // 避免 fastjson 序列化
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@JsonIgnore // 避免 jackson 序列化
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public boolean isError() {
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return !isSuccess();
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}
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@ -1,9 +1,15 @@
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package cn.iocoder.dashboard.framework.web.config;
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import cn.iocoder.dashboard.util.servlet.ServletUtils;
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import com.alibaba.fastjson.serializer.SerializerFeature;
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import com.alibaba.fastjson.support.config.FastJsonConfig;
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import com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter;
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import org.springframework.boot.context.properties.EnableConfigurationProperties;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.core.annotation.Order;
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import org.springframework.http.MediaType;
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import org.springframework.http.converter.HttpMessageConverter;
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import org.springframework.web.bind.annotation.RestController;
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import org.springframework.web.cors.CorsConfiguration;
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import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
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@ -12,6 +18,10 @@ import org.springframework.web.servlet.config.annotation.PathMatchConfigurer;
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import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
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import javax.annotation.Resource;
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import javax.servlet.http.HttpServletRequest;
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import java.nio.charset.Charset;
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import java.util.Collections;
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import java.util.List;
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/**
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* Web 配置类
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@ -27,26 +37,48 @@ public class WebConfiguration implements WebMvcConfigurer {
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public void configurePathMatch(PathMatchConfigurer configurer) {
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configurer.addPathPrefix(webProperties.getApiPrefix(), clazz ->
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clazz.isAnnotationPresent(RestController.class)
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&& clazz.getPackage().getName().contains("cn.iocoder.dashboard"));
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&& clazz.getPackage().getName().startsWith(webProperties.getControllerPackage()));
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}
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// ========== MessageConverter 相关 ==========
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// @Override
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// public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
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// // 创建 FastJsonHttpMessageConverter 对象
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// FastJsonHttpMessageConverter fastJsonHttpMessageConverter = new FastJsonHttpMessageConverter();
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// // 自定义 FastJson 配置
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// FastJsonConfig fastJsonConfig = new FastJsonConfig();
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// fastJsonConfig.setCharset(Charset.defaultCharset()); // 设置字符集
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// fastJsonConfig.setSerializerFeatures(SerializerFeature.DisableCircularReferenceDetect, // 剔除循环引用
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// SerializerFeature.WriteNonStringKeyAsString); // 解决 Integer 作为 Key 时,转换为 String 类型,避免浏览器报错
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// fastJsonHttpMessageConverter.setFastJsonConfig(fastJsonConfig);
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// // 设置支持的 MediaType
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// fastJsonHttpMessageConverter.setSupportedMediaTypes(Collections.singletonList(MediaType.APPLICATION_JSON));
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// // 添加到 converters 中
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// converters.add(0, fastJsonHttpMessageConverter); // 注意,添加到最开头,放在 MappingJackson2XmlHttpMessageConverter 前面
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// }
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@Override
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public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
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// 创建 FastJsonHttpMessageConverter 对象
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// 重写 canRead 和 canWrite 方法,判断只处理自己写的 API 为前缀的 URL。原因是,FastJSON 和一些三方框架集成存在问题,例如说:
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// 1. 与 Spring Boot Admin 时,由于 Registration 基于 Builder 构造对象,导致它无法反序列化
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// 2. 与 Spring Boot Actuator 时,貌似也存在问题,具体还没去排查。
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// 但是,为什么不替换回 Jackson 呢?
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// 原因是,一些 Number 数值比较小时,反序列化回来是 Integer 类型,实际是 Long 类型。此时,在序列化时,会报 Integer 无法转换成 Long 的异常
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FastJsonHttpMessageConverter fastJsonHttpMessageConverter = new FastJsonHttpMessageConverter() {
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@Override
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protected boolean canRead(MediaType mediaType) {
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return isApiPrefix() && super.canRead(mediaType);
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}
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@Override
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protected boolean canWrite(MediaType mediaType) {
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return isApiPrefix() && super.canWrite(mediaType);
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}
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private boolean isApiPrefix() {
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HttpServletRequest request = ServletUtils.getRequest();
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return request != null && request.getRequestURI().startsWith(webProperties.getApiPrefix());
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}
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};
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// 自定义 FastJson 配置
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FastJsonConfig fastJsonConfig = new FastJsonConfig();
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fastJsonConfig.setCharset(Charset.defaultCharset()); // 设置字符集
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fastJsonConfig.setSerializerFeatures(SerializerFeature.DisableCircularReferenceDetect, // 剔除循环引用
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SerializerFeature.WriteNonStringKeyAsString); // 解决 Integer 作为 Key 时,转换为 String 类型,避免浏览器报错
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fastJsonHttpMessageConverter.setFastJsonConfig(fastJsonConfig);
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// 设置支持的 MediaType
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fastJsonHttpMessageConverter.setSupportedMediaTypes(Collections.singletonList(MediaType.APPLICATION_JSON));
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// 添加到 converters 中
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converters.add(0, fastJsonHttpMessageConverter); // 注意,添加到最开头,放在 MappingJackson2XmlHttpMessageConverter 前面
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}
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// ========== Filter 相关 ==========
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@ -24,4 +24,14 @@ public class WebProperties {
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@NotNull(message = "API 前缀不能为空")
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private String apiPrefix;
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/**
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* Controller 所在包
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*
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* 主要目的是,给该 Controller 设置指定的 {@link #apiPrefix}
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*
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* 因为我们有多个 modules 包里会包含 Controller,所以只需要写到 cn.iocoder.dashboard 这样的层级
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*/
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@NotNull(message = "Controller 所在包不能为空")
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private String controllerPackage;
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}
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@ -1,5 +1,6 @@
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package cn.iocoder.dashboard.modules.system.controller.user.vo.user;
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import com.fasterxml.jackson.annotation.JsonIgnore;
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import io.swagger.annotations.ApiModel;
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import io.swagger.annotations.ApiModelProperty;
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import lombok.AllArgsConstructor;
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@ -17,6 +18,7 @@ public class SysUserPageItemRespVO extends SysUserRespVO {
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/**
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* 所在部门
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*/
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@JsonIgnore
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private Dept dept;
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@ApiModel("部门")
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