MyExtjsExtension/FileUploadField.js at master · GaoYYYang/MyExtjsExtension · GitHub

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if (!Paims.component)
    Ext.namespace('Paims.component');

Paims.component.FileUploadField = function (params) {
    Paims.component.FileUploadField.superclass.constructor.call(this, params);
}
Ext.extend(Paims.component.FileUploadField, Ext.form.FileUploadField, {
    validator: function () {
        var x = this.getValue();
        if (!x)
            return;
        if (this.fileTypes.length == 0)
            return true;

        var patn = '/'
        var docType = '';
        for (var i = 0; i < this.fileTypes.length; i++) {
            patn += '\.' + this.fileTypes[i] + '$|';
            docType += this.fileTypes[i] + '，';
        }
        patn = patn.substring(0, patn.length - 1);
        patn += '/i';
        patn = eval(patn);

        docType = docType.substring(0, docType.length - 1);
        if (!patn.test(x)) {
            this.invalidText = '只能上传' + docType + '文档。';
            return false;
        }
        return true;
    }
});