更新后端，采用Springboot+mybatis

src/main/java/com/jsh/erp/utils/ResponseJsonUtil.java

@@ -0,0 +1,83 @@
+package com.jsh.erp.utils;
+
+import com.alibaba.fastjson.JSON;
+import com.alibaba.fastjson.serializer.SerializerFeature;
+import com.alibaba.fastjson.serializer.ValueFilter;
+
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.TimeZone;
+
+public class ResponseJsonUtil {
+    public static final SimpleDateFormat FORMAT = new SimpleDateFormat("yyyy-MM-dd");
+
+    static {
+        FORMAT.setTimeZone(TimeZone.getTimeZone("GMT+8"));
+    }
+
+    /**
+     * 响应过滤器
+     */
+    public static final class ResponseFilter extends ExtJsonUtils.ExtFilter implements ValueFilter {
+        @Override
+        public Object process(Object object, String name, Object value) {
+            if (name.equals("createTime") || name.equals("modifyTime")) {
+                return value;
+            } else if (value instanceof Date) {
+                return FORMAT.format(value);
+            } else {
+                return value;
+            }
+        }
+    }
+
+    /**
+     *
+     * @param responseCode
+     * @return
+     */
+    public static String backJson4HttpApi(ResponseCode responseCode) {
+        if (responseCode != null) {
+            String result = JSON.toJSONString(responseCode, new ResponseFilter(),
+                    SerializerFeature.DisableCircularReferenceDetect,
+                    SerializerFeature.WriteNonStringKeyAsString);
+            result = result.replaceFirst("\"data\":\\{", "");
+            return result.substring(0, result.length() - 1);
+        }
+        return null;
+    }
+
+    /**
+     * 验证失败的json串
+     * @param code
+     * @return
+     */
+    public static String backJson4VerifyFailure(int code) {
+        Map<String, Object> map = new HashMap<String, Object>();
+        map.put("message", "未通过验证");
+        return JSON.toJSONString(new ResponseCode(code, map), new ResponseFilter(),
+                SerializerFeature.DisableCircularReferenceDetect,
+                SerializerFeature.WriteNonStringKeyAsString);
+    }
+
+    /**
+     * 成功的json串
+     * @param responseCode
+     * @return
+     */
+    public static String backJson(ResponseCode responseCode) {
+        if (responseCode != null) {
+            return JSON.toJSONString(responseCode, new ResponseFilter(),
+                    SerializerFeature.DisableCircularReferenceDetect,
+                    SerializerFeature.WriteNonStringKeyAsString);
+        }
+        return null;
+    }
+
+    public static String returnJson(Map<String, Object> map, String message, int code) {
+        map.put("message", message);
+        return backJson(new ResponseCode(code, map));
+    }
+}