组件化

最新推荐文章于 2024-07-31 19:51:03 发布

QQsilhonette

最新推荐文章于 2024-07-31 19:51:03 发布

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CC 4.0 BY-SA版权

本文链接：https://blog.youkuaiyun.com/QQsilhonette/article/details/79864967

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>test</title>
  <script src="http://code.jquery.com/jquery-1.9.1.min.js"></script>
  <script src="zujian.js"></script>
</head>
<body>
  <div id="stock_div">
      <label>stock</label><input type="text" class="stock_input"/>
      <label>time</label><input type="text" class="time_input"/>
      <button>Search</button>
  </div>
</body>
</html>

/* Simple JavaScript Inheritance
 * By John Resig http://ejohn.org/
 * MIT Licensed.
 */
// Inspired by base2 and Prototype
(function(){
  // initializing 
  var initializing = false, fnTest = /xyz/.test(function(){xyz;}) ? /\b_super\b/ : /.*/;
  // The base Class implementation (does nothing)
  this.Class = function(){};
 
  // Create a new Class that inherits from this class
  Class.extend = function(prop) {
    var _super = this.prototype;
   
    // Instantiate a base class (but only create the instance,
    // don't run the init constructor)
    initializing = true;
    var prototype = new this();
    initializing = false;
   
    // Copy the properties over onto the new prototype
    for (var name in prop) {
      // Check if we're overwriting an existing function
      prototype[name] = typeof prop[name] == "function" &&
        typeof _super[name] == "function" && fnTest.test(prop[name]) ?
        (function(name, fn){
          return function() {
            var tmp = this._super;
           
            // Add a new ._super() method that is the same method
            // but on the super-class
            this._super = _super[name];
           
            // The method only need to be bound temporarily, so we
            // remove it when we're done executing
            var ret = fn.apply(this, arguments);  
            this._super = tmp;
            return ret;
          };
        })(name, prop[name]) :
        prop[name];
    }
   
    function Class() {
      // All construction is actually done in the init method
      if ( !initializing && this.init )
        this.init.apply(this, arguments);
    }
    Class.prototype = prototype;
   
    Class.prototype.constructor = Class;
 
    Class.extend = arguments.callee;
   
    return Class;
  };
})();

var StockSearch = Class.extend({
  init:function(config){
    this.div = $(config.id);
    this.url = config.url;
    this.result = '';
    this._bind();
    this.render();
  },
  render:function() {
    if ($('.stock_price').length == 0) {
      this.div.after('<span class="stock_price"></span>');
    };

    $('.stock_price').html(this.result);
  },
  _bind:function(){
    var self = this;
    var button = self.div.children('button');
    if(button){
      button.on('click',function(){
        self._say();
      });
    }
  },
  _say: function(name){
    var self = this;
    var stock_input = this.div.children('.stock_input')[0];
    var time_input = this.div.children('.time_input')[0];
    if(stock_input && time_input){
      var reqData = {"tikcer": stock_input.value, "date": time_input.value};
      $.ajax({
        url: self.url,
        type: 'Get',
        data: reqData,
        dataType: 'JSON',
        success: function(data){
            var result = JSON.parse(data);
            console.log(result.price);
            if(result.price === ''){
              self.result = "The ticker price is null!";
            }
            else{
              self.result = "price: " + result.price;
            }
            self.render();
        },
        error:function(err){
          self.result = "get price failed!";
          self.render();
        }
      });
    }
  },
})

$(function() {
  new StockSearch({
    id: "#stock_div",
    url: "https://api.douban.com//v2/movie/top250"
  });
})