first commit

common/directive.js

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+import Vue from 'vue'
+let defaultImg=require("@/static/default.png");
+
+/*指令测试*/
+Vue.directive('demo', {
+  bind: function (el, binding, vnode) {
+    var s = JSON.stringify
+    el.innerHTML =
+      'name: '       + s(binding.name) + '<br>' +
+      'value: '      + s(binding.value) + '<br>' +
+      'expression: ' + s(binding.expression) + '<br>' +
+      'argument: '   + s(binding.arg) + '<br>' +
+      'modifiers: '  + s(binding.modifiers) + '<br>' +
+      'vnode keys: ' + Object.keys(vnode).join(', ')
+  }
+})