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摘要： var DropDownList1 = document.getElementById("DropDownList控件ID"); //获取DropDownList控件的引用var DropDownList1_Index = DropDownList1.selectedIndex; //获取选择项的索引var DropDownList1_Value = DropDownList1.options[DropDownList1_Index].value; //获取选择项的值var DropDownList1_Text = DropDownList1.options[DropDow 阅读全文