添加jackson配置及序列化工具类
yueye
3 years ago
parent
a57be1eab9
commit
f39b02a0dd
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package com.ruoyi.common.core.config;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import com.fasterxml.jackson.databind.module.SimpleModule;
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import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
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import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateTimeDeserializer;
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import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateTimeSerializer;
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import com.ruoyi.common.core.jackson.BigNumberSerializer;
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import org.springframework.boot.autoconfigure.AutoConfigureBefore;
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import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
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import org.springframework.boot.autoconfigure.jackson.JacksonAutoConfiguration;
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import org.springframework.boot.autoconfigure.jackson.JacksonProperties;
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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.context.annotation.Primary;
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import org.springframework.http.converter.json.Jackson2ObjectMapperBuilder;
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import java.math.BigDecimal;
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import java.math.BigInteger;
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import java.time.LocalDateTime;
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import java.time.format.DateTimeFormatter;
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import java.util.TimeZone;
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/**
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* JacksonConfig
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*/
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@Configuration
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@ConditionalOnClass(ObjectMapper.class)
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@AutoConfigureBefore(JacksonAutoConfiguration.class)
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public class JacksonConfig {
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@Primary
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@Bean
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public ObjectMapper getObjectMapper(Jackson2ObjectMapperBuilder builder, JacksonProperties jacksonProperties) {
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ObjectMapper objectMapper = builder.createXmlMapper(false).build();
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// 全局配置序列化返回 JSON 处理
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SimpleModule simpleModule = new SimpleModule();
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simpleModule.addSerializer(Long.class, BigNumberSerializer.INSTANCE);
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simpleModule.addSerializer(Long.TYPE, BigNumberSerializer.INSTANCE);
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simpleModule.addSerializer(BigInteger.class, BigNumberSerializer.INSTANCE);
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simpleModule.addSerializer(BigDecimal.class, ToStringSerializer.instance);
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DateTimeFormatter formatter = DateTimeFormatter.ofPattern(jacksonProperties.getDateFormat());
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simpleModule.addSerializer(LocalDateTime.class, new LocalDateTimeSerializer(formatter));
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simpleModule.addDeserializer(LocalDateTime.class, new LocalDateTimeDeserializer(formatter));
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objectMapper.registerModule(simpleModule);
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objectMapper.setTimeZone(TimeZone.getDefault());
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return objectMapper;
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}
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}
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package com.ruoyi.common.core.jackson;
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import com.fasterxml.jackson.core.JsonGenerator;
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import com.fasterxml.jackson.databind.SerializerProvider;
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import com.fasterxml.jackson.databind.annotation.JacksonStdImpl;
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import com.fasterxml.jackson.databind.ser.std.NumberSerializer;
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import java.io.IOException;
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/**
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* 超出 JS 最大最小值 处理
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*
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* @author Lion Li
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*/
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@JacksonStdImpl
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public class BigNumberSerializer extends NumberSerializer {
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/**
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* 根据 JS Number.MAX_SAFE_INTEGER 与 Number.MIN_SAFE_INTEGER 得来
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*/
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private static final long MAX_SAFE_INTEGER = 9007199254740991L;
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private static final long MIN_SAFE_INTEGER = -9007199254740991L;
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/**
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* 提供实例
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*/
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public static final BigNumberSerializer INSTANCE = new BigNumberSerializer(Number.class);
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public BigNumberSerializer(Class<? extends Number> rawType) {
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super(rawType);
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}
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@Override
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public void serialize(Number value, JsonGenerator gen, SerializerProvider provider) throws IOException {
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// 超出范围 序列化位字符串
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if (value.longValue() > MIN_SAFE_INTEGER && value.longValue() < MAX_SAFE_INTEGER) {
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super.serialize(value, gen, provider);
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} else {
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gen.writeString(value.toString());
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}
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}
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}
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@ -0,0 +1,91 @@
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package com.ruoyi.common.core.utils;
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import cn.hutool.core.util.ArrayUtil;
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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.ObjectMapper;
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import lombok.AccessLevel;
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import lombok.NoArgsConstructor;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Map;
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/**
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* JSON 工具类
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*
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* @author 芋道源码
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*/
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@NoArgsConstructor(access = AccessLevel.PRIVATE)
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public class JsonUtils {
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private static ObjectMapper objectMapper = SpringUtils.getBean(ObjectMapper.class);
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public static String toJsonString(Object object) {
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if (StringUtils.isNull(object)) {
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return null;
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}
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try {
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return objectMapper.writeValueAsString(object);
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} catch (JsonProcessingException e) {
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throw new RuntimeException(e);
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}
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}
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public static <T> T parseObject(String text, Class<T> clazz) {
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if (StringUtils.isEmpty(text)) {
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return null;
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}
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try {
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return objectMapper.readValue(text, clazz);
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} catch (IOException e) {
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throw new RuntimeException(e);
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}
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}
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public static <T> T parseObject(byte[] bytes, Class<T> clazz) {
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if (ArrayUtil.isEmpty(bytes)) {
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return null;
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}
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try {
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return objectMapper.readValue(bytes, clazz);
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} catch (IOException e) {
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throw new RuntimeException(e);
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}
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}
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public static <T> T parseObject(String text, TypeReference<T> typeReference) {
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if (StringUtils.isBlank(text)) {
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return null;
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}
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try {
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return objectMapper.readValue(text, typeReference);
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} catch (IOException e) {
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throw new RuntimeException(e);
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}
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}
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public static <T> Map<String, T> parseMap(String text) {
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if (StringUtils.isBlank(text)) {
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return null;
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}
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try {
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return objectMapper.readValue(text, new TypeReference<Map<String, T>>() {});
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} catch (IOException e) {
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throw new RuntimeException(e);
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}
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}
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public static <T> List<T> parseArray(String text, Class<T> clazz) {
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if (StringUtils.isEmpty(text)) {
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return new ArrayList<>();
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}
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try {
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return objectMapper.readValue(text, objectMapper.getTypeFactory().constructCollectionType(List.class, clazz));
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} catch (IOException e) {
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throw new RuntimeException(e);
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}
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}
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}
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@ -1,4 +1,5 @@
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org.springframework.boot.autoconfigure.EnableAutoConfiguration=\
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com.ruoyi.common.core.utils.SpringUtils
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com.ruoyi.common.core.utils.SpringUtils,\
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com.ruoyi.common.core.config.JacksonConfig
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