表格循环

/**
* 相同内容合并单元格
* 使用方法：$(“#table1″).rowspan(0);//传入的参数是对应的列数从0开始，哪一列有相同的内容就输入对应的列数值
*/
jQuery.fn.rowspan = function(colIdx) {
return this.each(function() {
var that;
$('tr', this).each(function(row) {
$('td:eq(' + colIdx + ')', this).filter(':visible').each(function(col) {
if (that != null && $(this).html() == $(that).html()) {
rowspan = $(that).attr("rowSpan");
if (rowspan == undefine d) {
$(that).attr("rowSpan", 1);
rowspan = $(that).attr("rowSpan");
}
rowspan = Number(rowspan) + 1;
$(that).attr("rowSpan", rowspan);
$(this).hide();
} else {
that = this;
}
});
});
});
}