Class Ext.Ajax
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包: |
Ext |
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定义于: |
Connection.js |
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类: |
Ajax |
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基类: |
Connection |
全局ajax请求类。提供一个简单的方式提交ajax请求，有很大的弹性。用法实例：
Global Ajax request class. Provides a simple way to make Ajax requests with maximum flexibility. Example usage:
// Basic request
//基本请求
Ext.Ajax.request({
url: 'foo.php',
success: someFn,
failure: otherFn,
headers: {
'my-header': 'foo'
},
params: { foo: 'bar' }
});
// Simple ajax form submission
Ext.Ajax.request({
form: 'some-form',
params: 'foo=bar'
});
// Default headers to pass in every request
//每次请求默认的headers
Ext.Ajax.defaultHeaders = {
'Powered-By': 'Ext'
};
// Global Ajax events can be handled on every request!
//全局 ajax事件，在每次请求时被处理。
Ext.Ajax.on('beforerequest', this.showSpinner, this);
This class is a singleton and cannot be created directly.
这个类是单立的，不能被直接创建。
Config Options
配置选项：
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Config Options |
Defined By |
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listeners : Object A config object containing one or more event handlers to be added to this object during initialization. This should b... 包含一个或多个事件处理器的配置对象，在对象初始化时添加 example for attaching multiple handlers at once. |
Observable |
Public Properties
公共方法
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Property |
Defined By 定义在 |
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autoAbort : Boolean Whether a new request should abort any pending requests. (defaults to false) 这个值决定一个未决(pending)请求是否被终止。默认为false. |
Ajax |
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defaultHeaders : Object An object containing request headers which are added to each request made by this object. (defaults to undefined) 包含请求标头的对象在每次请求时用这个对象来添加，默认为undefine. |
Ajax |
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disableCaching : Boolean True to add a unique cache-buster param to GET requests. (defaults to true) 为真是添加一个唯一的cache-buster参数到get访问中。 |
Ajax |
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extraParams : Object An object containing properties which are used as extra parameters to each request made by this object. (defaults to... 这个对象为每次请求添加额外的参数。 |
Ajax |
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method : String The default HTTP method to be used for requests. Note that this is case-sensitive and should be all caps (defaults ... 默认请求的http方法。注意，它是case-sensitive的，应该all caps.（不懂这两个词的意思。） |
Ajax |
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timeout : Number The timeout in milliseconds to be used for requests. (defaults to 30000) |
Ajax |
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url : String The default URL to be used for requests to the server. (defaults to undefined) 要访问的url |
Ajax |
Public Methods
公共方法
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Method |
定义 |
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abort( [Number transactionId] ) : void Aborts any outstanding request. 终止任何停止的请求。 Parameters: Returns: |
Connection |
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