为Ext.form.Action.Submit增加JSON/xml数据发送
这两日搞了一下Ext3，发现Ext.form.FormPanel居然不能发送JSON/xml数据到服务端，不知道是不是我没有找到方法，郁闷了一天。最简单的办法就是，直接重写Ext.form.Action.Submit.run
在request参数中配置有
jsonData或者xmlData就可以将json或者xml发送到服务端了
Ext.override(Ext.form.Action.Submit,{run:function(){ var o = this.options, method = this.getMethod(), isGet = method == 'GET'; if(o.clientValidation === false || this.form.isValid()){ if (o.submitEmptyText === false) { var fields = this.form.items, emptyFields = []; fields.each(function(f) { if (f.el.getValue() == f.emptyText) { emptyFields.push(f); f.el.dom.value = ""; } }); } if(o.jsonData){ Ext.Ajax.request(Ext.apply(this.createCallback(o), { url:this.getUrl(isGet), method: method, headers: o.headers, jsonData:o.jsonData })); }else if(o.xmlData){ Ext.Ajax.request(Ext.apply(this.createCallback(o), { url:this.getUrl(isGet), method: method, headers: o.headers, xmlData:o.xmlData })); }else{ Ext.Ajax.request(Ext.apply(this.createCallback(o), { form:this.form.el.dom, url:this.getUrl(isGet), method: method, headers: o.headers, params:!isGet ? this.getParams() : null, isUpload: this.form.fileUpload })); } if (o.submitEmptyText === false) { Ext.each(emptyFields, function(f) { if (f.applyEmptyText) { f.applyEmptyText(); } }); } }else if (o.clientValidation !== false){ // client validation failed this.failureType = Ext.form.Action.CLIENT_INVALID; this.form.afterAction(this, false); }}return Ext.decode(response.responseText); }});
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