重构 jtopo

src/main/webapp/app/shared/common/util.service.ts

+import {Injectable} from '@angular/core';
+
+@Injectable()
+export class UtilService {
+
+    startTime;
+    stoppedStatus = true;
+
+    constructor() {
+    }
+
+    /*
+     * 生成uuid算法,碰撞率低于1/2^^122
+     * @param x 0-9或a-f范围内的一个32位十六进制数
+     */
+    generateUUID() {
+        let d = new Date().getTime();
+        let uuid = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, (c) => {
+            let r = (d + Math.random() * 16) % 16 | 0;
+            d = Math.floor(d / 16);
+            return (c === 'x' ? r : (r & 0x3 | 0x8)).toString(16);
+        });
+        return uuid;
+    }
+
+    /**
+     * 计算程序执行时间
+     * @type {{startTime: {}, timeSpan: number, start: Timer.start, stop: Timer.stop, getTimeSpan: Timer.getTimeSpan}}
+     */
+
+    start() {
+        if (this.stoppedStatus) {
+            this.startTime = new Date().getTime();
+            this.stoppedStatus = false;
+        }
+    }
+
+    pause() {
+        let startTime = this.startTime;
+        if (startTime) {
+            let  t = new Date().getTime() - startTime;
+            return t;
+        } else {
+            return -1;
+        }
+    };
+
+    stop() {
+        let startTime = this.startTime;
+        if (startTime) {
+            this.stoppedStatus = true;
+            let  t = new Date().getTime() - startTime;
+            return t;
+        } else {
+            this.stoppedStatus = true;
+            return -1;
+        }
+    }
+
+}