table.printTable {
    border: 1px dotted black;
    border-collapse: collapse;
    width: 740px;
    font-size:16px;
    font-family:"宋体";
    font-weight: bold;
}
.printTable tr, .printTable td {
    border: 1px dotted black;
    border-collapse: collapse;
     font-size:16px;
     font-family:"宋体";
     font-weight: bold;
}