[JavaScript]自执行函数

  1 (function($, doc) {
  2                 $.init({
  3                     statusBarBackground: '#f7f7f7'
  4                 });
  5                 $.plusReady(function() {
  6                     plus.screen.lockOrientation("portrait-primary");
  7                     var settings = app.getSettings();
  8                     var state = app.getState();
  9                     var mainPage = $.preload({
 10                         "id": 'main',
 11                         "url": 'tab-webview-main.html'
 12                     });
 13                     var main_loaded_flag = false;
 14                     mainPage.addEventListener("loaded",function () {
 15                         main_loaded_flag = true;
 16                     });
 17                     var toMain = function() {
 18                         //使用定时器的原因：
 19                         //可能执行太快，main页面loaded事件尚未触发就执行自定义事件，此时必然会失败
 20                         var id = setInterval(function () {
 21                             if(main_loaded_flag){
 22                                 clearInterval(id);
 23                                 $.fire(mainPage, 'show', null);
 24                                 mainPage.show("pop-in");
 25                             }
 26                         },20);
 27                     };
 28                     
 29                     // close splash
 30                     setTimeout(function() {
 31                         //关闭 splash
 32                         plus.navigator.closeSplashscreen();
 33                     }, 600);
 34                     var loginButton = doc.getElementById('login');
 35                     var accountBox = doc.getElementById('account');
 36                     var passwordBox = doc.getElementById('password');
 37                     var autoLoginButton = doc.getElementById("autoLogin");
 38                     var regButton = doc.getElementById('reg');
 39                     var forgetButton = doc.getElementById('forgetPassword');
 40                     loginButton.addEventListener('tap', function(event) {
 41                         var username = $('#account').val();
 42                         var password = $('#password').val();
 43                     
 44                           // LeanCloud - 登录
 45                           // https://leancloud.cn/docs/leanstorage_guide-js.html#用户名和密码登录
 46                           AV.User.logIn(username, password).then(function (loginedUser) {
 47                                 toMain();
 48                           }, function (error) {
 49                                 // 导入AlertDialog类  
 50                             var AlertDialog = plus.android.importClass("android.app.AlertDialog");  
 51                                 // 创建提示框构造对象，构造函数需要提供程序全局环境对象，通过plus.android.runtimeMainActivity()方法获取  
 52                             var dlg = new AlertDialog.Builder(plus.android.runtimeMainActivity());  
 53                             // 设置提示框标题  
 54                             dlg.setTitle("登陆失败");  
 55                             // 设置提示框内容  
 56                             dlg.setMessage("用户名或密码不正确！"+JSON.stringify(error));  
 57                             // 设置提示框按钮  
 58                             dlg.setPositiveButton("OK",null);  
 59                             // 显示提示框  
 60                             dlg.show();  
 61                           });
 62                     });
 63                     $.enterfocus('#login-form input', function() {
 64                         $.trigger(loginButton, 'tap');
 65                     });
 66                     autoLoginButton.classList[settings.autoLogin ? 'add' : 'remove']('mui-active')
 67                     autoLoginButton.addEventListener('toggle', function(event) {
 68                         setTimeout(function() {
 69                             var isActive = event.detail.isActive;
 70                             settings.autoLogin = isActive;
 71                             app.setSettings(settings);
 72                         }, 50);
 73                     }, false);
 74                     regButton.addEventListener('tap', function(event) {
 75                         $.openWindow({
 76                             url: 'reg.html',
 77                             id: 'reg',
 78                             preload: true,
 79                             show: {
 80                                 aniShow: 'pop-in'
 81                             },
 82                             styles: {
 83                                 popGesture: 'hide'
 84                             },
 85                             waiting: {
 86                                 autoShow: false
 87                             }
 88                         });
 89                     }, false);
 90                     forgetButton.addEventListener('tap', function(event) {
 91                         $.openWindow({
 92                             url: 'forget_password.html',
 93                             id: 'forget_password',
 94                             preload: true,
 95                             show: {
 96                                 aniShow: 'pop-in'
 97                             },
 98                             styles: {
 99                                 popGesture: 'hide'
100                             },
101                             waiting: {
102                                 autoShow: false
103                             }
104                         });
105                     }, false);
106                     //
107                     window.addEventListener('resize', function() {
108                         oauthArea.style.display = document.body.clientHeight > 400 ? 'block' : 'none';
109                     }, false);
110                     //
111                     var backButtonPress = 0;
112                     $.back = function(event) {
113                         backButtonPress++;
114                         if (backButtonPress > 1) {
115                             plus.runtime.quit();
116                         } else {
117                             plus.nativeUI.toast('再按一次退出应用');
118                         }
119                         setTimeout(function() {
120                             backButtonPress = 0;
121                         }, 1000);
122                         return false;
123                     };
124                 });
125             }(mui, document));

$(document).ready(function (){
    //函数体
});