long类型数据转换

gic-enterprise-common/src/main/java/com/gic/enterprise/jsonSeralizer/LongTypeConverter.java

+package com.gic.enterprise.jsonSeralizer;
+
+import com.fasterxml.jackson.databind.DeserializationFeature;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.module.SimpleModule;
+import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
+import org.springframework.context.annotation.Bean;
+import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
+import org.springframework.stereotype.Component;
+
+@Component
+public class LongTypeConverter {
+
+    @Bean
+    public MappingJackson2HttpMessageConverter jackson2HttpMessageConverter(){
+        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();
+        simpleModule.addSerializer(Long.class, ToStringSerializer.instance);
+        simpleModule.addSerializer(Long.TYPE, ToStringSerializer.instance);
+        //  SimpleDateFormat fmt = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+        // objectMapper.setDateFormat(fmt);
+        objectMapper.registerModule(simpleModule);
+        jackson2HttpMessageConverter.setObjectMapper(objectMapper);
+        objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
+
+        return  jackson2HttpMessageConverter;
+    }
+}