动态合并行

new document

//xxbh:学校编号，bjbh:班级编号,xx：姓名

vararrjson=[

{'xxbh':'1001','bjbh':'0801','xx':'李四'},{'xxbh':'1001','bjbh':'0802','xx':'张三'},

{'xxbh':'1003','bjbh':'0803','xx':'王五'},{'xxbh':'1003','bjbh':'0804','xx':'晶晶'},

{'xxbh':'1005','bjbh':'0701','xx':'亮亮'},{'xxbh':'1002','bjbh':'0701','xx':'明敏'},

{'xxbh':'1005','bjbh':'0701','xx':'张灿'},{'xxbh':'1002','bjbh':'0801','xx':'小白'},

{'xxbh':'1005','bjbh':'0802','xx':'小胖'},{'xxbh':'1002','bjbh':'0901','xx':'小丽'},

{'xxbh':'1003','bjbh':'0901','xx':'阿宝'},{'xxbh':'1004','bjbh':'0901','xx':'王泰'},

{'xxbh':'1001','bjbh':'0901','xx':'阿毛'},{'xxbh':'1006','bjbh':'0901','xx':'李铭'},

{'xxbh':'1005','bjbh':'0901','xx':'阿城'},{'xxbh':'1004','bjbh':'0901','xx':'张晓'},

{'xxbh':'1006','bjbh':'0901','xx':'小小'},{'xxbh':'1004','bjbh':'0901','xx':'白昼'},

{'xxbh':'1002','bjbh':'0901','xx':'乐乐'},{'xxbh':'1001','bjbh':'0901','xx':'黎明'}

];

functioncreatmapbyxxbh(arrjson){

varxxbhmap={};

varlen = arrjson.length;

for(var i=0;i<len;i++){

if(xxbhmap[arrjson[i].xxbh] ==undefined){

varlist = [];

list.push(arrjson[i]);

xxbhmap[arrjson[i].xxbh] = list;

}else{

xxbhmap[arrjson[i].xxbh].push(arrjson[i]);

}

}

varstr="<table><tr><td>11</td>";

for(varxxbhinxxbhmap){

varstu = xxbhmap[xxbh];

/*  alert(stu.length);*/

"+xxbh+"

for(vari =0;i < stu.length;i++){

if(i==0){

"+stu[i].bjbh+""+stu[i].xx+"

}else{

"+stu[i].bjbh+""+stu[i].xx+"

}

}

"+xxbh+"共有"+stu.length+"个班级

}

str+=" ";

document.write(str)

}