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说明：电子表格，点击保存按钮，触发宏事件；
创建客户端onRenderReport事件宏，如下：
| 代码块 |
|---|
function main(spreadsheetReport) { |
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var that = spreadsheetReport.spreadsheetReportWriteBack; |
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that.__new_doSaveClick= function() { windowAlert(1); this.doSaveClick(); } |
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that.removeListener(that.elem_btnSave, "click", that.doSaveClick, that); |
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that.addListener(that.elem_btnSave, "click", that.__new_doSaveClick, that); |
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} |
