把select标签里面的设置为只读,只需要在标签里面加入:
一下是jq方式
- οnfοcus="this.defaultIndex=this.selectedIndex" οnchange="this.selectedIndex = this.defaultIndex;"
- $("#type").attr("readonly","readonly");
- $("#type").attr("onfocus","this.defaultIndex=this.selectedIndex;");
- $("#type").attr("onchange","this.selectedIndex=this.defaultIndex;");
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