first commit

历届学生/苏琪/项目练习/newApp/appBack/utils/index.js

@@ -0,0 +1,23 @@
+const cheerio = require('cheerio')
+
+class utils {
+  cheerioLoad(html) {
+    return cheerio.load(html)
+  }
+
+  JsonData (params) {
+    params.res.json({
+      status: params.status,
+      data: params.data
+    })
+  }
+
+  getUrlParam (path,name) {
+    path = "?"+path.split("?")[1]
+    var reg = new RegExp('(^|&)' + name + '=([^&]*)(&|$)');
+    var r = path.substr(1).match(reg);
+    if (r != null) return decodeURIComponent(r[2]); return null;
+  }
+}
+
+module.exports = new utils()