package org.superboot.config;

import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializerProvider;
import com.fasterxml.jackson.databind.module.SimpleModule;
import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;

import java.io.IOException;
import java.sql.Timestamp;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.List;

/**
 * <b> 序列化配置类 </b>
 * <p>
 * 功能描述:解决后台传入前端出现的long的精度丢失及日期显示为long的问题
 * </p>
 */
@Configuration
public class MapperConfig extends WebMvcConfigurerAdapter {

    @Override
    public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
        MappingJackson2HttpMessageConverter jackson2HttpMessageConverter = new MappingJackson2HttpMessageConverter();
        ObjectMapper objectMapper = new ObjectMapper();
        /**
         * 序列换成json时,将所有的long变成string
         * 因为js中得数字类型不能包含所有的java long值
         */
        SimpleModule simpleModule = new SimpleModule();
        //处理Long为字符串
        simpleModule.addSerializer(Long.class, ToStringSerializer.instance);
        //处理Long类型为字符串
        simpleModule.addSerializer(Long.TYPE, ToStringSerializer.instance);
        //处理日期类型
        simpleModule.addSerializer(Date.class, new JsonSerializer<Date>() {
            @Override
            public void serialize(Date value, JsonGenerator jsonGenerator,
                                  SerializerProvider provider) throws IOException, JsonProcessingException {
                SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
                jsonGenerator.writeString(sdf.format(value));
            }
        });
        //处理时间戳类型
        simpleModule.addSerializer(Timestamp.class, new JsonSerializer<Date>() {
            @Override
            public void serialize(Date value, JsonGenerator jsonGenerator,
                                  SerializerProvider provider) throws IOException, JsonProcessingException {
                SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
                jsonGenerator.writeString(sdf.format(value));
            }
        });


        objectMapper.registerModule(simpleModule);
        jackson2HttpMessageConverter.setObjectMapper(objectMapper);
        converters.add(jackson2HttpMessageConverter);


    }
}

@@ -417,24 +417,86 @@
 Serializer;%0A
+import com.fasterxml.jackson.databind.DeserializationFeature;%0A
 import org.s
@@ -2646,24 +2646,113 @@
        %7D);%0A%0A
+        objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
 %0A        obj

Update MapperConfig.java