js合并单元格

 1 jQuery(window).load(function() {
 2     //alert(1111);
 3     var tabs = document.getElementById("_single_table");
 4     var maxCols = 1, vals, counts, starts;
 5     for(var cols = maxCols-1; cols >= 0 ; cols--){
 6         counts = 1;
 7         vals = "";
 8         for(var i=0; i<tabs.rows.length; i++){
 9             if(vals == tabs.rows[i].cells[cols].innerHTML){
10                 counts++;
11             }else{
12                 if(counts > 1){ //合并
13                     starts = i - counts;
14                     tabs.rows[starts].cells[cols].rowSpan = counts;
15                     for(var j=starts+1; j<i; j++){
16                         tabs.rows[j].cells[cols].style.display = "none";
17                     }
18                     counts = 1;
19                 }
20                 vals = tabs.rows[i].cells[cols].innerHTML;
21             }
22         }
23         if(counts > 1 ){ //合并，最后几行相同的情况下
24             starts = i - counts;
25             tabs.rows[starts].cells[cols].rowSpan = counts;
26             for(var j=starts+1; j<i; j++){
27                 tabs.rows[j].cells[cols].style.display = "none";
28             }
29         }
30     }
31 
32     
33     var tab = document.getElementById("_proportion_tb");
34     var maxCol = 3, val, count, start;
35     for(var col = maxCol-1; col >= 0 ; col--){
36         count = 1;
37         val = "";
38         for(var i=0; i<tab.rows.length; i++){
39             if(val == tab.rows[i].cells[col].innerHTML){
40                 count++;
41             }else{
42                 if(count > 1){ //合并
43                     start = i - count;
44                     tab.rows[start].cells[col].rowSpan = count;
45                     for(var j=start+1; j<i; j++){
46                         tab.rows[j].cells[col].style.display = "none";
47                     }
48                     count = 1;
49                 }
50                 val = tab.rows[i].cells[col].innerHTML;
51             }
52         }
53         if(count > 1 ){ //合并，最后几行相同的情况下
54             start = i - count;
55             tab.rows[start].cells[col].rowSpan = count;
56             for(var j=start+1; j<i; j++){
57                 tab.rows[j].cells[col].style.display = "none";
58             }
59         }
60     }
61     
62     
63         var maxCol = 3, val = "", count = 1, start ,col = 6;
64         for(var i=0; i<tab.rows.length; i++){
65             if(val == tab.rows[i].cells[col].id){
66                 count++;
67             }else{
68                 if(count > 1){ //合并
69                     start = i - count;
70                     tab.rows[start].cells[col].rowSpan = count;
71                     for(var j=start+1; j<i; j++){
72                         tab.rows[j].cells[col].style.display = "none";
73                     }
74                     count = 1;
75                 }
76                 val = tab.rows[i].cells[col].id;
77             }
78         }
79         if(count > 1 ){ //合并，最后几行相同的情况下
80             start = i - count;
81             tab.rows[start].cells[col].rowSpan = count;
82             for(var j=start+1; j<i; j++){
83                 tab.rows[j].cells[col].style.display = "none";
84             }
85         }
86 
87  });