摘要：
也可以将onmousedown换成onblur<selectvalue1 = "${personRge.ZA0100 }" value2 = "${personRge.LY01ID }" onmousedown="this.sindex = this.selectedIndex; this.selectedIndex = -1;" onblur="if(this.sindex) this.selectedIndex = this.sindex;else{this.selectedIndex=0;}" onch 阅读全文
