增加在gulpfile中读取json文件的代码

PsChina · PsChina · commit aaeb96b6812e · 2018-01-19T12:07:43.000+08:00
diff --git a/2-gulp/2.mock数据.md b/2-gulp/2.mock数据.md
@@ -40,62 +40,72 @@
 
 ```javascript
 
-var gulp = require('gulp');
+var gulp = require('gulp')
 
-var connect = require('gulp-connect');
+var connect = require('gulp-connect')
 
-var webserver = require('gulp-webserver');
+var webserver = require('gulp-webserver')
 
 var urlTool = require('url')
 
 var qs = require('qs')
 
+var fs = require('fs')
 
-var dataBase = {
-    users:[
-        {
-            name:'zhangsan',
-            password:123456
-        },
-        {
-            name:'lisi',
-            password:123456
-        },
-    ],
-    goodslist:[
-        {
-            name:'page1',
-            data:[
-                {
-                    name:'商品1',
-                    price:.1
-                },
-                {
-                    name:'商品2',
-                    price:.2
-                }                
-            ]
-        },
-        {
-            name:'page2',
-            data:[
-                {
-                    name:'商品3',
-                    price:.3
-                },
-                {
-                    name:'商品4',
-                    price:.4
-                }                
-            ]
-        }
-    ],
-    home:'<html><meta charset="utf-8"; /> <style> div{background:red}</style> <div>这是首页</div></html>'
+var hasDataBase = fs.existsSync('./dataBase.json')
+
+var dataBase = {}
 
+if(hasDataBase){
+    dataBase = JSON.parse(fs.readFileSync('./dataBase.json').toString()) 
+}else{
+    dataBase = {
+        users:[
+            {
+                name:'zhangsan',
+                password:123456
+            },
+            {
+                name:'lisi',
+                password:123456
+            },
+        ],
+        goodslist:[
+            {
+                name:'page1',
+                data:[
+                    {
+                        name:'商品1',
+                        price:.1
+                    },
+                    {
+                        name:'商品2',
+                        price:.2
+                    }                
+                ]
+            },
+            {
+                name:'page2',
+                data:[
+                    {
+                        name:'商品3',
+                        price:.3
+                    },
+                    {
+                        name:'商品4',
+                        price:.4
+                    }                
+                ]
+            }
+        ],
+        home:'<html><meta charset="utf-8"; /> <style> div{background:red}</style> <div>这是首页</div></html>'
+    }
 }
 
 
 
+
+
 function login(userName,password){
 
     var exist = false;
