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src/main/java/com/peanut/common/utils/R.java

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+/**
+ * Copyright (c) 2016-2019 人人开源 All rights reserved.
+ *
+ * https://www.renren.io
+ *
+ * 版权所有，侵权必究！
+ */
+
+package com.peanut.common.utils;
+
+import org.apache.http.HttpStatus;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * 返回数据
+ *
+ * @author Mark sunlightcs@gmail.com
+ */
+public class R extends HashMap<String, Object> {
+	private static final long serialVersionUID = 1L;
+	
+	public R() {
+		put("code", 0);
+		put("msg", "success");
+	}
+	
+	public static R error() {
+		return error(HttpStatus.SC_INTERNAL_SERVER_ERROR, "未知异常，请联系管理员");
+	}
+	
+	public static R error(String msg) {
+		return error(HttpStatus.SC_INTERNAL_SERVER_ERROR, msg);
+	}
+	
+	public static R error(int code, String msg) {
+		R r = new R();
+		r.put("code", code);
+		r.put("msg", msg);
+		return r;
+	}
+
+	public static R ok(String msg) {
+		R r = new R();
+		r.put("msg", msg);
+		return r;
+	}
+	
+	public static R ok(Map<String, Object> map) {
+		R r = new R();
+		r.putAll(map);
+		return r;
+	}
+	
+	public static R ok() {
+		return new R();
+	}
+
+	public R put(String key, Object value) {
+		super.put(key, value);
+		return this;
+	}
+}