selecto、radio、chexkbox增加getText的api方法

o2web/source/x_component_process_Xform/Checkbox.js

@@ -363,6 +363,20 @@ MWF.xApplication.process.Xform.Checkbox = MWF.APPCheckbox =  new Class(
 		if (!text.length) text = [""];
 		return {"value": value, "text": text};
 	},
+    /**
+     * @summary 获取选中项的text，如果未选中返回空数组。
+     * @return {Array} 返回选中项的text数组
+     * @example
+     * var array = this.form.get('fieldId').getText(); //获取选中项的数组
+     */
+    getText: function(){
+        var texts = this.getTextData().text;
+        if( texts && texts.length === 1 ){
+            return texts[0] ? texts : [];
+        }else{
+            return (texts && texts.length) ? texts : [];
+        }
+    },
     //getData: function(){
 		//var inputs = this.node.getElements("input");
 		//var value = [];

o2web/source/x_component_process_Xform/Radio.js

@@ -404,6 +404,16 @@ MWF.xApplication.process.Xform.Radio = MWF.APPRadio =  new Class(
 		}
 		return {"value": [value] || "", "text": [text || value || ""]};
 	},
+    /**
+     * @summary 获取选中项的text。
+     * @return {String} 返回选中项的text
+     * @example
+     * var text = this.form.get('fieldId').getText(); //获取选中项的文本
+     */
+    getText: function(){
+        var texts = this.getTextData().text;
+        return (texts && texts.length) ? texts[0] : "";
+    },
     getInputData: function(){
         if (this.isReadonly()){
             return this._getBusinessData();

o2web/source/x_component_process_Xform/Select.js

@@ -418,6 +418,16 @@ MWF.xApplication.process.Xform.Select = MWF.APPSelect =  new Class(
 		if (!text.length) text = [""];
 		return {"value": value, "text": text};
 	},
+	/**
+	 * @summary 获取选中项的text。
+	 * @return {String} 返回选中项的text
+	 * @example
+	 * var text = this.form.get('fieldId').getText(); //获取选中项的文本
+	 */
+	getText: function(){
+		var texts = this.getTextData().text;
+		return (texts && texts.length) ? texts[0] : "";
+	},
     getInputData: function(){
 		if( this.isReadonly()){
 			return this._getBusinessData();