Code
Ext.ux.JSLoader = function(options) {
Ext.ux.JSLoader.scripts[++Ext.ux.JSLoader.index] = {
url: options.url,
success: true,
options: options,
onLoad: options.onLoad || Ext.emptyFn,
onError: options.onError || Ext.ux.JSLoader.stdError
};
Ext.Ajax.request({
url: options.url,
scriptIndex: Ext.ux.JSLoader.index,
success: function(response, options) {
var script = 'Ext.ux.JSLoader.scripts[' + options.scriptIndex + ']';
window.setTimeout('try { ' + response.responseText + ' } catch(e) { '+script+'.success = false; '+script+'.onError('+script+'.options, e); }; if ('+script+'.success) '+script+'.onLoad('+script+'.options);', 0);
},
failure: function(response, options) {
var script = Ext.ux.JSLoader.scripts[options.scriptIndex];
script.success = false;
script.onError(script.options, response.status);
}
});
}
Ext.ux.JSLoader.index = 0;
Ext.ux.JSLoader.scripts = [];
Ext.ux.JSLoader.stdError = function(options, e) {
window.alert('Error loading script:\n\n' + options.url + '\n\n(status: ' + e + ')');
}
var jsload = function(urls,fun){
new Ext.ux.JSLoader({
url: urls,
onLoad: function(options) {
eval(fun);
},
onError: function(options, e) { alert('Error loading script'); }
});
}
调用方法:
<a href="javascript:jsload('js/test.js','test.init()');">test</a>
