// js将json格式的'cm',通过循环或其他方式生成'col'。 (不拼接字符串)
var cm = '[{"1":"S", "2":"M", "3":"L"}, {"1":"23", "2":"24"}, {"1":"28", "2":"29", "3":"30"}, {"1":"B28", "2":"B29", "3":"B30"}]';
var col = [
{ display: 'S',
columns: [{ display: '23',
columns: [{display: '28',
columns: [{ display: 'B28', name: 'ContactName', width: 100, align: 'left'}]
}]
}]
},
{ display: 'M',
columns: [{ display: '24',
columns: [{display: '29',
columns: [{ display: 'B29', name: 'ContactName', width: 100, align: 'left'}]
}]
}]
},
{ display: 'L',
columns: [{ display: '',
columns: [{display: '30',
columns: [{ display: 'B30', name: 'ContactName', width: 100, align: 'left'}]
}]
}]
}
];