layui动态表头的实现代码

又get到一种思路，不光是layui。

外面这层table，就是用原生拼接的。

@Override
  public List<Map<String, Object>> distribution(String begin,String end,String name,String hospitalCode) {
    HashMap<String, Object> params = new HashMap<String, Object>();
    StringBuffer buf = new StringBuffer();
    
    List<HRateAllotDepartment> hRateAllotDepartment = rateAllotDepartmentDao.getRateDepartment(hospitalCode);
    String str1 = "";
    String str2 = "";
    for(int i=0;i<hRateAllotDepartment.size();i++) {
      str1 +=",sum(`"+hRateAllotDepartment.get(i).getDepartmentName()+"`)`"+hRateAllotDepartment.get(i).getDepartmentName()+"`";
      str2 +=",max(case when e.`name`='"+hRateAllotDepartment.get(i).getDepartmentName()+"' then f.price else 0 end) `"+hRateAllotDepartment.get(i).getDepartmentName()+"`";
    
    }
    
    buf.append("select d.`name`,d.productId_,count(*) renshu,sum(price) total"+str1+" ");
    buf.append(" from ( SELECT b.`name`,b.id productId_ ,d.id,max(b.price) price ");
    buf.append(" "+str2+" FROM ");
    buf.append(" dt_pay_health_order_product a "
        + "JOIN dt_pay_health_order d ON a.orderId = d.id "
        + "JOIN dt_pay_health_product b ON a.productId = b.id ");
    buf.append(" JOIN dt_hospital_health_item c ON b.bizId = c.id "
        + "JOIN dt_hospital_health_order_use g ON g.orderProductId = a.id "
        + "JOIN dt_hospital_rate_allot f ON b.id = f.productId ");
    buf.append(" JOIN dt_hospital_department e ON f.departmentId = e.id where g.createDate>=:begin and g.createDate<=:end and b.name like :name and a.state ='02' group by b.`id`,d.`id` ) d group by d.productId_ WITH ROLLUP ");
    if(begin == null || begin.length() == 0){
      begin = "1970-01-01";
    }
    if(end == null || end.length() == 0){
      end = "2099-01-01";
    }
    params.put("begin",begin);
    params.put("end",end);
    params.put("name","%"+name+"%");
    return this.getMapListByMap(buf.toString(), params); 
    
    
  }

可以看到，一开始是有一个list，这个list是医院医生可以配置的科室，这些科室就是动态的。这样一来后台即可得到动态数据。同理，如果在layui时用到page，在这里返回成page类型即可。接下来再看js

function toList(begin,end,name){
    
    console.log(begin);
    console.log(end);
    
    $.ajax({
      url: basePath + "/biz/hospital/rate/allot/list.do",
      data: {
        begin:begin,
        end:end,
        name:name
      },
      type : 'post',
      dataType : 'json',
      success : function(data) {
          
        var arrayPrice = new Array();

        for(var i=0;i<data.length;i++){
          var arrayPrice1 = new Array();
        for(var key in data[i]){
          
          if(key!="name"&&key!="productId_"&&key!="renshu"&&key!="total"){
            arrayPrice1[key]=data[i][key];
          }  
        }
        arrayPrice.push(arrayPrice1);
      }
        
        var title="";
        var sumCols="";
        var partCols=new Array();
        
        for(var i=0;i<arrayPrice.length;i++){
          
          var partColsStr = "";
          
          for(var key in arrayPrice[i]){
        
            if(i==0&&(arrayPrice[arrayPrice.length-1][key]!=0)){
               title+="<th class='firstTh'>"+key+"（元）</th>";
            }
            if(i==(arrayPrice.length-1)&&(arrayPrice[arrayPrice.length-1][key]!=0)){
              sumCols+="<td class='secondTd'>"+arrayPrice[i][key]+"</td>";
            }
            if(i!=(arrayPrice.length-1)&&(arrayPrice[arrayPrice.length-1][key]!=0)){
              partColsStr += "<td class='thirdTd'>"+arrayPrice[i][key]+"</td>";
              
            }
           
          }
          
          partCols.push(partColsStr);
          
        }

        var sRenshu = 0;
        var stotal = 0;
        
        var tablex = "";
        
        tablex += "<tr class='firstTr'><th class='firstTh'>项目名称</th><th class='firstTh'>检查人数</th><th class='firstTh'>金额（元）</th>"+title+"</tr>";
        
        if(data!=null && data.length>0){
          for(var i=0;i<data.length-1;i++){
            sRenshu+=data[i].renshu;
            stotal+=data[i].total;
          }
          
          tablex += "<tr class='secondTr'><td class='secondTd'>总计</td><td class='secondTd'>"+sRenshu+"</td><td class='secondTd'>"+stotal+"</td>"+sumCols+"</tr>";
          
          for(var i=0;i<data.length-1;i++){
             {
              tablex += "<tr class='thirdTr'><td class='thirdTd'>"+data[i].name+"</td>" +
                  "<td class='thirdTd'>" +
                    "<a style='color:#ff5722' href="+basePath +" rel="external nofollow" rel="external nofollow" /biz/hospital/rate/allot/toPageMx.do?startDate="+$("#startDate").val().toString()
                                              +"&endDate="+$("#endDate").val().toString()
                                              +"&productId_="+data[i].productId_+">"+
                                              data[i].renshu+"</a></td>" +
                  "<td class='thirdTd'>"+data[i].total+ partCols[i] +
                  "</tr>";
            }
          }
          
        }
        $("#table_status").empty();
        $("#table_status").append(tablex);
          
        },
      error : function() {
        layer.msg('系统异常，请联系管理员!',{icon:2,time:2000});
      }
    });
    
    
  }

可以在最上方图看到，有些字段是固定的，但是有些字段是动态的。思路是通过将调用接口返回出来的数据，动态的部分放到一个键值对数组下。这样一来，固定的部分，依然可以用返回的data得到，而动态的部分，用处理的数组循环赋值即可。动态表头就是动态数组的键。数据就是值。

function toList(begin,end,name){
    
    console.log(begin);
    console.log(end);
    
    $.ajax({
      url: basePath + "/biz/hospital/rate/allot/list.do",
      data: {
        begin:begin,
        end:end,
        name:name
      },
      type : 'post',
      dataType : 'json',
      success : function(data) {
          
        var arrayPrice = new Array();

        for(var i=0;i<data.length;i++){
          var arrayPrice1 = new Array();
        for(var key in data[i]){
          
          if(key!="name"&&key!="productId_"&&key!="renshu"&&key!="total"){
            arrayPrice1[key]=data[i][key];
          }  
        }
        arrayPrice.push(arrayPrice1);
      }
        
        var title="";
        var sumCols="";
        var partCols=new Array();
        
        for(var i=0;i<arrayPrice.length;i++){
          
          var partColsStr = "";
          
          for(var key in arrayPrice[i]){
        
            if(i==0&&(arrayPrice[arrayPrice.length-1][key]!=0)){
               title+="<th class='firstTh'>"+key+"（元）</th>";
            }
            if(i==(arrayPrice.length-1)&&(arrayPrice[arrayPrice.length-1][key]!=0)){
              sumCols+="<td class='secondTd'>"+arrayPrice[i][key]+"</td>";
            }
            if(i!=(arrayPrice.length-1)&&(arrayPrice[arrayPrice.length-1][key]!=0)){
              partColsStr += "<td class='thirdTd'>"+arrayPrice[i][key]+"</td>";
              
            }
           
          }
          
          partCols.push(partColsStr);
          
        }

        var sRenshu = 0;
        var stotal = 0;
        
        var tablex = "";
        
        tablex += "<tr class='firstTr'><th class='firstTh'>项目名称</th><th class='firstTh'>检查人数</th><th class='firstTh'>金额（元）</th>"+title+"</tr>";
        
        if(data!=null && data.length>0){
          for(var i=0;i<data.length-1;i++){
            sRenshu+=data[i].renshu;
            stotal+=data[i].total;
          }
          
          tablex += "<tr class='secondTr'><td class='secondTd'>总计</td><td class='secondTd'>"+sRenshu+"</td><td class='secondTd'>"+stotal+"</td>"+sumCols+"</tr>";
          
          for(var i=0;i<data.length-1;i++){
             {
              tablex += "<tr class='thirdTr'><td class='thirdTd'>"+data[i].name+"</td>" +
                  "<td class='thirdTd'>" +
                    "<a style='color:#ff5722' href="+basePath +" rel="external nofollow" rel="external nofollow" /biz/hospital/rate/allot/toPageMx.do?startDate="+$("#startDate").val().toString()
                                              +"&endDate="+$("#endDate").val().toString()
                                              +"&productId_="+data[i].productId_+">"+
                                              data[i].renshu+"</a></td>" +
                  "<td class='thirdTd'>"+data[i].total+ partCols[i] +
                  "</tr>";
            }
          }
          
        }
        $("#table_status").empty();
        $("#table_status").append(tablex);
          
        },
      error : function() {
        layer.msg('系统异常，请联系管理员!',{icon:2,time:2000});
      }
    });
    
    
  }

这块是name这些的是固定的，就排除掉，然后将数据放到arrayPrice1下再push到数组下。tablex就是表格的html。当时拼接的是分两步，先是表头，然后是数据。有个总计，后来在sql下加了WITH ROLLUP就得到了。

for(var key in arrayPrice[i]){

    
        if(i==0&&(arrayPrice[arrayPrice.length-1][key]!=0)){
           title+="<th class='firstTh'>"+key+"（元）</th>";
        }
        if(i==(arrayPrice.length-1)&&(arrayPrice[arrayPrice.length-1][key]!=0)){
          sumCols+="<td class='secondTd'>"+arrayPrice[i][key]+"</td>";
        }
        if(i!=(arrayPrice.length-1)&&(arrayPrice[arrayPrice.length-1][key]!=0)){
          partColsStr += "<td class='thirdTd'>"+arrayPrice[i][key]+"</td>";
          
        }
       
      }

这块就是动态的数据，title表头，sumCols总计，partColsStr具体数据，加到tablex下就行。以上就是原生的思路。

这块table用到了layui，当时也是看着这个layui动态设置的思路去写的原生。主要思路是：cols是一个数组，通过ajax得到数据后放到数组下，再放到cols下即可。

$.ajax({
  url: basePath + "/biz/hospital/rate/allot/department/getDepartment.do",
  data: {
  
  },
  type : 'post',
  dataType : 'json',
  success : function(data) {
    mycols[0] = {field : 'nameTrue', title:"姓名", align:'center',width:'120'};
    mycols[1] = {field : 'telephoneTrue', title:'支付手机号', align:'center',width:'120'};
    mycols[2] = {field : 'orderNO', title:'订单号', align:'center',width:'120'};
    mycols[3] = {field : 'createDate', title:'订单创建时间', align:'center',width:'120'};
    mycols[4] = {field : 'modifyDate', title:'订单使用时间', align:'center',width:'120'};
    mycols[5] = {field : 'price', title:'支付金额（元）', align:'center',width:'120'};
    
    for (var i = 0;i < data.length; i++){ 
      var obj = data[i].departmentName;
      if(obj!=0){
        mycols[i+6] = {field : obj, title:obj+"（元）", align:'center',width:'120'};
      }
      
      }
    
  console.log(mycols);
  
  reload();
  
  },
  error : function() {
    layer.msg('系统异常，请联系管理员!',{icon:2,time:2000});
  }
});

以上是ajax调用后处理的数组。下面这些就是table。reload();就是重新渲染。

var options = {
      url: basePath + "/biz/hospital/rate/allot/list_mx.do",
      method: 'post',
      where:{
        begin:$("#startDate").val().toString(),
        end:end,
        productId_:$("#productId_").val().toString(),
        orderNO:$("#qorderNO").val().toString(),
        name:$("#qname").val().toString()
      },
      //分页请求参数
      request:{
        pageName: 'pageIndex', //页码
        limitName: 'limit' //每页多少数据
      },
      //返回的数据格式
      response:{
         statusName: 'status', //数据状态的字段名称，默认：code
         statusCode: 200, //成功的状态码，默认：0
         msgName: 'message', //状态信息的字段名称，默认：msg
         countName: 'total', //数据总数的字段名称，默认：count
         dataName: 'data' //数据列表的字段名称，默认：data
      },
      //每页10条数据
      limit: 10,
      
      //加载时出现加载条
      loading: true,
      elem: '#data_table',
      cols: [
        mycols
       ],
       

       
      id: 'dataTable',
      page: true,
      };
  
  //方法级渲染
  table.render(options);

function reload(){
    
    date = new Date($("#endDate").val());
    
    date=date.setDate(date.getDate()+1);
    date=new Date(date);
  
    datemonth=date.getMonth()+1;   //获取当前月份(0-11,0代表1月)

    end=date.getFullYear()+"-"+datemonth+"-"+date.getDate();
    
    //options.where.departmentId = $("#departmentId").val();
    options.where.begin = $("#startDate").val();
    options.where.end = end;
    options.where.orderNO = $("#qorderNO").val();;
    options.where.name = $("#qname").val();;
     
    table.reload("dataTable",options);
    
  }
  

可以看到

cols: [
        mycols
       ],
       

这个就是动态数据。

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持脚本之家。