78 lines
2.2 KiB
JavaScript
78 lines
2.2 KiB
JavaScript
$(function(){
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_inputVerifyEvent();
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_setEvent();
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});
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//输入验证
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function _inputVerifyEvent(){
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//提交按钮
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$("input[id$=btnEnter]").click(function(){
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//验证题干是否录入
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if(Number($(".count").text())<1){
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alert("题干不得为空！");
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return false;
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}else {
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return _verifyParentheses();
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}
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//是否设置了正确答案
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var isNull=true;
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$("input[name$=itemTxt]").each(function(){
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if($.trim($(this).val())!="")isNull=false;
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});
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if(isNull){
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alert("请填写答案！");
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$("input[name$=itemTxt]:first").focus();
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return false;
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}
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return false;
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});
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}
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//验证是否有成对的括号
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function _verifyParentheses(){
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var str = tbTitle.text();
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str=str.replace(/\(/ig,"（");
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str=str.replace(/\)/ig,"）");
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tbTitle.text(str)
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if(str.indexOf("（")<0 || str.indexOf("）")<0) {
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alert("题干中缺少填空项，填空用括号表示。例如：（__）\n注：括号应成对出现，且不得嵌套。");
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return false;
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}
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var re = new RegExp("（[^）]_+）","gi");
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var count = str.match(re).length;
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//是否设置了正确答案
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var ansCount=0;
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$("input[name$=itemTxt]").each(function(){
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if($.trim($(this).val())!="")ansCount++;
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});
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if(ansCount==0){
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alert("请填写答案！");
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$("input[name$=itemTxt]:first").focus();
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return false;
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}
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if(count!==ansCount){
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var msg="填空项的个数与答案项的个数，数目不匹配！";
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msg+="\n注：当前有 "+ count +" 个填空项，"+ansCount+" 个答案。填空项用（__）表示";
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alert(msg);
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$("input[name$=itemTxt]:first").focus();
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return false;
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}
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return true;
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}
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//设置一些事件
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function _setEvent(){
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$(".wrongInfo").hover(function(){
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var box=$("#wrongInfoBox");
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var off=$(this).offset();
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box.css("position","absolute").css("z-index","20001");
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box.css({width:150,height:200});
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box.css({left:off.left,top:off.top+$(this).height()});
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box.css("background-color","#FFFFCC");
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box.css("padding","5px");
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box.show();
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},function(){
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$("#wrongInfoBox").hide();
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});
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}
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