1.修改返回创建时间为时间戳格式

2.修复排序功能 Bug

src/main/java/com/yupi/springbootinit/common/ErrorCode.java

@@ -16,7 +16,7 @@ public enum ErrorCode {
     TOKEN_INVALID(40400, "Token无效，请重新登录"),
     NO_AUTH_ERROR(40101, "无权限"),
     PACKAGE_EXPIRED(40500, "套餐已到期"),
-    NOT_FOUND_ERROR(40400, "请求数据不存在"),
+    NOT_FOUND_ERROR(40800, "请求数据不存在"),
     FORBIDDEN_ERROR(40300, "禁止访问"),
     TENANT_NAME_NOT_EXISTS(40600, "租户不存在"),
     LOGIN_NOW_ALLOWED(40700, "当前账号不允许登录"),

src/main/java/com/yupi/springbootinit/common/NumberSerializer.java

@@ -0,0 +1,37 @@
+package com.yupi.springbootinit.common;
+
+import com.fasterxml.jackson.core.JsonGenerator;
+import com.fasterxml.jackson.databind.SerializerProvider;
+import com.fasterxml.jackson.databind.annotation.JacksonStdImpl;
+
+import java.io.IOException;
+
+/**
+ * Long 序列化规则
+ *
+ * 会将超长 long 值转换为 string，解决前端 JavaScript 最大安全整数是 2^53-1 的问题
+ *
+ * @author 星语
+ */
+@JacksonStdImpl
+public class NumberSerializer extends com.fasterxml.jackson.databind.ser.std.NumberSerializer {
+
+    private static final long MAX_SAFE_INTEGER = 9007199254740991L;
+    private static final long MIN_SAFE_INTEGER = -9007199254740991L;
+
+    public static final NumberSerializer INSTANCE = new NumberSerializer(Number.class);
+
+    public NumberSerializer(Class<? extends Number> rawType) {
+        super(rawType);
+    }
+
+    @Override
+    public void serialize(Number value, JsonGenerator gen, SerializerProvider serializers) throws IOException {
+        // 超出范围 序列化位字符串
+        if (value.longValue() > MIN_SAFE_INTEGER && value.longValue() < MAX_SAFE_INTEGER) {
+            super.serialize(value, gen, serializers);
+        } else {
+            gen.writeString(value.toString());
+        }
+    }
+}

src/main/java/com/yupi/springbootinit/common/TimestampLocalDateTimeDeserializer.java

@@ -0,0 +1,27 @@
+package com.yupi.springbootinit.common;
+
+import com.fasterxml.jackson.core.JsonParser;
+import com.fasterxml.jackson.databind.DeserializationContext;
+import com.fasterxml.jackson.databind.JsonDeserializer;
+
+import java.io.IOException;
+import java.time.Instant;
+import java.time.LocalDateTime;
+import java.time.ZoneId;
+
+/**
+ * 基于时间戳的 LocalDateTime 反序列化器
+ *
+ * @author 老五
+ */
+public class TimestampLocalDateTimeDeserializer extends JsonDeserializer<LocalDateTime> {
+
+    public static final TimestampLocalDateTimeDeserializer INSTANCE = new TimestampLocalDateTimeDeserializer();
+
+    @Override
+    public LocalDateTime deserialize(JsonParser p, DeserializationContext ctxt) throws IOException {
+        // 将 Long 时间戳，转换为 LocalDateTime 对象
+        return LocalDateTime.ofInstant(Instant.ofEpochMilli(p.getValueAsLong()), ZoneId.systemDefault());
+    }
+
+}

src/main/java/com/yupi/springbootinit/common/TimestampLocalDateTimeSerializer.java

@@ -0,0 +1,26 @@
+package com.yupi.springbootinit.common;
+
+import com.fasterxml.jackson.core.JsonGenerator;
+import com.fasterxml.jackson.databind.JsonSerializer;
+import com.fasterxml.jackson.databind.SerializerProvider;
+
+import java.io.IOException;
+import java.time.LocalDateTime;
+import java.time.ZoneId;
+
+/**
+ * 基于时间戳的 LocalDateTime 序列化器
+ *
+ * @author 老五
+ */
+public class TimestampLocalDateTimeSerializer extends JsonSerializer<LocalDateTime> {
+
+    public static final TimestampLocalDateTimeSerializer INSTANCE = new TimestampLocalDateTimeSerializer();
+
+    @Override
+    public void serialize(LocalDateTime value, JsonGenerator gen, SerializerProvider serializers) throws IOException {
+        // 将 LocalDateTime 对象，转换为 Long 时间戳
+        gen.writeNumber(value.atZone(ZoneId.systemDefault()).toInstant().toEpochMilli());
+    }
+
+}