From 3c9699a66ca5400e65dc2c5449efe8df141e41c6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=9B=B7=E8=82=B2=E5=93=B2?= <1053155915@qq.com>
Date: Fri, 7 Dec 2018 15:35:21 +0800
Subject: [PATCH] feat(jsSdk): Add jsSdk Function

---
 src/utile/wechat.util.ts | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

diff --git a/src/utile/wechat.util.ts b/src/utile/wechat.util.ts
index 27c0eff..140fdba 100644
--- a/src/utile/wechat.util.ts
+++ b/src/utile/wechat.util.ts
@@ -57,4 +57,42 @@ export class WeChatUtil {
       return accessToken;
     }
   }
+
+  /**
+   * 生成随机字符串
+   * @returns {Promise<any>}
+   */
+  async generatingRandomNumbers() {
+   return Math.random().toString(36).substr(2, 15);
+  }
+
+  /**
+   * 生成时间戳
+   * @returns {Promise<string>}
+   */
+  async generationTimestamp() {
+    return '' + Math.floor(Date.now() / 1000);
+  }
+
+  /**
+   * 排序查询字符串
+   * @param args
+   * @returns {Promise<any>}
+   */
+  async sortQuery(args: any) {
+    let keys = Object.keys(args);
+    keys = keys.sort();
+    const newArgs = {};
+    for (let i = 0; i < keys.length; i++) {
+      const key = keys[i];
+      newArgs[key.toLowerCase()] = args[key];
+    }
+    let str = '';
+    const newKeys = Object.keys(newArgs);
+    for (let j = 0; j < newKeys.length; j++) {
+      const k = newKeys[j];
+      str += '&' + k + '=' + newArgs[k];
+    }
+    return str.substr(1);
+  }
 }
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