<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>若水demo</title> <script src="http://apps.bdimg.com/libs/jquery/2.1.4/jquery.js"></script> </head> <body> <select name="" id="" class="prientity_type"> <option value="0">1</option><!-- 显示的值比value的值大1 --> </select> <select name="" id="" class="prientity_type"> <option value="1">2</option> </select> <script> $(function(){ var prientity_type = "0,1,2,3,4,5,6";//后台传过来的 var prientity_type_value = prientity_type.split(','); var prientity_type1_obj = $(".prientity_type").eq(0); var prientity_type2_obj = $(".prientity_type").eq(1); function rs_change(){ var prientity_type1_key = prientity_type1_obj.val(); var prientity_type2_key = prientity_type2_obj.val(); var prientity_type1_html = ''; var prientity_type2_html = ''; $.each(prientity_type_value,function(n,v){ if(v != prientity_type2_key){ prientity_type1_html += '<option value="'+v+'">'+(parseInt(v)+1)+'</option>'; } if(v != prientity_type1_key){ prientity_type2_html += '<option value="'+v+'">'+(parseInt(v)+1)+'</option>'; } }); prientity_type1_obj.empty().append(prientity_type1_html).val(prientity_type1_key); prientity_type2_obj.empty().append(prientity_type2_html).val(prientity_type2_key); } prientity_type1_obj.change(function(){ rs_change(); }); prientity_type2_obj.change(function(){ rs_change(); }); rs_change(); }); </script> </body> </html>