package com.ruoyi.payment.wx.utils;
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import com.fasterxml.jackson.annotation.JsonInclude;
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import com.fasterxml.jackson.core.JsonProcessingException;
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import com.fasterxml.jackson.core.type.TypeReference;
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import com.fasterxml.jackson.databind.DeserializationFeature;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
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import lombok.extern.slf4j.Slf4j;
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/**
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* Json转换工具类
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*
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* @author madman
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*/
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@Slf4j
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public final class WxJsonUtils {
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private static final ObjectMapper OM = new ObjectMapper();
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private static final JavaTimeModule timeModule = new JavaTimeModule();
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/**
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* 设置 ObjectMapper
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*
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* @return
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*/
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private static ObjectMapper getObjectMapper() {
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// 允许对象忽略json中不存在的属性
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OM.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
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OM.registerModule(timeModule);
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return OM;
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}
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/**
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* 将对象序列化
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*/
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public static <T> String toJsonString(T obj) {
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try {
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ObjectMapper om = getObjectMapper();
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// 忽略空值
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om.setSerializationInclusion(JsonInclude.Include.NON_EMPTY);
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return om.writeValueAsString(obj);
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} catch (JsonProcessingException e) {
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log.error("转json字符串失败：{}", obj);
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return null;
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}
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}
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/**
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* 反序列化对象字符串
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*/
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public static <T> T parseObject(String json, Class<T> clazz) {
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try {
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ObjectMapper om = getObjectMapper();
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return om.readValue(json, clazz);
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} catch (JsonProcessingException e) {
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throw new RuntimeException("反序列化对象字符串失败");
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}
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}
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/**
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* 反序列化字符串成为对象
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*/
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public static <T> T parseObject(String json, TypeReference<T> valueTypeRef) {
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try {
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ObjectMapper om = getObjectMapper();
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return om.readValue(json, valueTypeRef);
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} catch (JsonProcessingException e) {
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throw new RuntimeException("反序列化字符串成为对象失败");
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}
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}
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}
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