实现功能:
通常在编辑表格时表格的行数是不确定的,如果一次增加太多行可能导致页面内容太多,反应变慢;通过此程序实现表格动态增加行,一直保持最下面有多个空白行。
效果:
一:原始页面
二:表1增加新行并绑定timepicker
三:表2自动增加行,新行绑定timepicker
HTML源码:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
|
<!DOCTYPE html> < head > < meta http-equiv = "Content-Type" content = "text/html; charset=utf-8" /> < title ></ title > < link href = "../Script/jquery-easyui-1.3.2/themes/default/easyui.css" rel = "external nofollow" rel = "stylesheet" /> < style > .autoRows{ width: 350px; border:1px green solid; } .autoRows tbody tr td{ border-bottom:1px green solid; margin:0px; } .autoRows thead{ background-color:#8ec7d7; } .autoRows tfoot { background-color: #8ec7d7; } </ style > </ head > < body > < table border = "0" cellspacing = "0" id = "table1" class = "autoRows" > < thead > < tr > < th >表头1</ th > < th >表头1</ th > < th >表头1</ th > </ tr > < tr > < th >表头2</ th > < th >表头2</ th > < th >表头2</ th > </ tr > </ thead > < tbody > < tr > < td > < input id = "Button1" type = "button" value = "insertAfter" onclick = "addrow(this);" /></ td > < td > < input id = "Button3" type = "button" value = "Clear" onclick = "$.fn.tableAutoRow.clearRowData(this, 2, 2, false);" /></ td > < td > < input id = "Text2" type = "text" value = "aaaa" /></ td > </ tr > < tr > < td > < input id = "Button2" type = "button" value = "insertBefore" onclick = "$.fn.tableAutoRow.insertRow(this,1,true,false);" /></ td > < td > < input id = "Button4" type = "button" value = "Reset" onclick = "$.fn.tableAutoRow.clearRowData(this, 2, 2, true);" /></ td > < td > < input id = "Text1" name = "ttt" type = "text" value = "asdfasfasfdsd" /></ td > </ tr > < tr > < td > < input id = "Button5" type = "button" value = "insertBefore" onclick = "$.fn.tableAutoRow.insertRow(this,1,true,false);" /></ td > < td > < input id = "Button6" type = "button" value = "Reset" onclick = "$.fn.tableAutoRow.clearRowData(this, 2, 2, true);" /></ td > < td > < input id = "Text3" type = "text" name = "Text3" /></ td > </ tr > </ tbody > < tfoot > < tr > < th >表尾1</ th > < th >表尾2</ th > < th >表尾3</ th > </ tr > </ tfoot > </ table > < p style = "height:20px;" ></ p > < table border = "0" cellspacing = "0" id = "table2" class = "autoRows" > < thead > < tr > < th >表头1</ th > < th >表头1</ th > < th >表头1</ th > </ tr > < tr > < th >表头2</ th > < th >表头2</ th > < th >表头2</ th > </ tr > </ thead > < tbody > < tr > < td > < input id = "Button7" type = "button" value = "insertAfter" onclick = "addrow(this);" /></ td > < td > < input id = "Button8" type = "button" value = "Clear" onclick = "$.fn.tableAutoRow.clearRowData(this, 2, 2, false);" /></ td > < td > < input id = "Text4" type = "text" value = "aaaa" /></ td > </ tr > < tr > < td > < input id = "Button9" type = "button" value = "insertBefore" onclick = "$.fn.tableAutoRow.insertRow(this, 1, true, false);" /></ td > < td > < input id = "Button10" type = "button" value = "Reset" onclick = "$.fn.tableAutoRow.clearRowData(this, 2, 2, true);" /></ td > < td > < input id = "Text5" name = "ttt" type = "text" value = "asdfasfasfdsd" /></ td > </ tr > < tr > < td > < input id = "Button11" type = "button" value = "insertBefore" onclick = "$.fn.tableAutoRow.insertRow(this, 1, true, false);" /></ td > < td > < input id = "Button12" type = "button" value = "Reset" onclick = "$.fn.tableAutoRow.clearRowData(this, 2, 2, true);" /></ td > < td > < input id = "Text6" type = "text" name = "Text3" /></ td > </ tr > </ tbody > < tfoot > < tr > < th >表尾1</ th > < th >表尾2</ th > < th >表尾3</ th > </ tr > </ tfoot > </ table > </ body > </ html > < script src = "../Script/jquery-1.7.2.min.js" ></ script > < script src = "../Script/jquery.tableAutoRow.js" ></ script > < script src = "../Script/jquery-easyui-1.3.2/jquery.easyui.min.js" ></ script > < script src = "../Script/jquery.timepicker.js" ></ script > < script type = "text/javascript" > $(function () { $(".autoRows").tableAutoRow(aaa); function aaa(row) { $(row).find(':text').timepicker(); } }); function addrow(obj) { $.fn.tableAutoRow.insertRow(obj); } </ script > |
JS源码:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
|
/// <reference path="jquery-1.7.2.min.js" /> //为表格主体添加单击事件,当单击时添加行数,使表格保持有n个空行 ( function ($) { $.fn.extend({ rowfunction: null , tableAutoRow: function (newRowFunction) { rowfunction = newRowFunction; return $( this ).each( function () { var tb = this ; if (!( this .tagName.toUpperCase() == "TBODY" )) { if (! this .tBodies[0]) { return ; } else { tb = this .tBodies[0]; } } //添加一个隐藏行,后面新增行复制此行 var lastRow = tb.rows[tb.rows.length - 1]; var row = $(lastRow).clone( true , true ); $(row).insertAfter($(tb).find( "tr:last" )).hide(); //为除所有行添加事件,当获得焦点时自动增加新行 for ( var i = 0; i < tb.rows.length; i++) { AddAutoRowsEvent(tb.rows[i]); } }); } }); //自动增加行 function autoRows(e) { var e = e || event; var obj = e.target || e.srcElement; while (obj.tagName != "TR" ) { obj = obj.parentNode; } var tb = obj.parentNode; var index = $(obj).index(); var n = 5 - (tb.rows.length - index); if (n > 0) { var lastRow = tb.rows[tb.rows.length - 1]; for ( var j = 0; j < n; j++) { var row = $(lastRow).clone( true , true ); //将新行添加到最后一行之前 row.insertBefore($(tb).find( "tr:last" )).show(); //为新增加的行添加事件 //AddAutoRowsEvent(tb.rows[tb.rows.length - 2]); //如果有回调函数则执行 if ( typeof (rowfunction) == 'function' ) { rowfunction(row); } } } } //为指定行增加事件 function AddAutoRowsEvent(tr) { //如果是JQuery对象则转为HTML对象 if (tr instanceof jQuery) { tr = tr[0]; } $(tr).bind( 'click' , autoRows); var c = tr.cells.length; for ( var j = 0; j < c; j++) { var childs = tr.cells[j].childNodes; for ( var k = 0; k < childs.length; k++) { if (childs[k].type == "text" || childs[k].type == "textarea" || childs[k].type == "button" ) { $(childs[k]).bind( 'focus' , autoRows); } } } } //在表格中指定位置插入指定行数,新插入的行内容为同一表格主体最后一行 //obj:行内的任意对象 //n:要增加的行数 //bAutoRows:是否要添加自动增加行的属性 $.fn.tableAutoRow.insertRow = function (obj, n, bAutoRows, isInsertAfter) { var loop = 0; //加入循环次数,防止死循环 while (obj.tagName != "TR" && loop < 10) { obj = obj.parentNode; loop++; } if (obj.tagName != "TR" ) { return ; } var tb = obj.parentNode; switch (arguments.length) { case 3: var isInsertAfter = true ; case 2: var bAutoRows = true ; var isInsertAfter = true ; case 1: var bAutoRows = true ; var isInsertAfter = true ; var n = 1; } for ( var i = 0; i < n; i++) { var lastRow = tb.rows[tb.rows.length - 1]; var row = $(lastRow).clone( true , true ); //将新行添加到当前行之前/后 if (isInsertAfter) { row.insertAfter(obj).show(); } else { row.insertBefore(obj).show(); } if (bAutoRows) { AddAutoRowsEvent(row); } } } //清除指定行数据 //obj为行或者行内的节点 //startColnum:起始列 //endColumn:终止列 //isReset:是否恢复到初始值 $.fn.tableAutoRow.clearRowData = function (obj, startColnum, endColumn, isReset) { var loop = 0; //加入循环次数,防止死循环 while (obj.tagName != "TR" && loop < 10) { obj = obj.parentNode; loop++; } if (obj.tagName != "TR" ) { return ; } var cellsCount = obj.cells.length; //此行单元格总数 if (startColnum < 0 || !startColnum) { //如果未指定清除起始列则从第一列清除 startColnum = 0; } if (endColumn > cellsCount - 1 || !endColumn) { //如果未指定清除终止列则清除到最后一列前(通常最后一列用于放置清除按钮) endColumn = cellsCount - 1; } if (isReset == undefined) { isReset = false ; } for ( var c = startColnum; c <= endColumn; c++) //循环各列,设置单元格里的控件值 { for ( var j = 0; j < obj.cells[c].childNodes.length; j++) { //循环处理指定单元格中的子节点 var node = obj.cells[c].childNodes[j]; setObjData(node, isReset); } } }; function setObjData(node, isReset) { switch (node.type) { case "text" : case "hidden" : case "textarea" : if (isReset) { node.value = node.defaultValue; } else { node.value = "" ; } break ; case "select-one" : case "select-multiple" : if (isReset) { for ( var k = node.options.length - 1; k >= 0; k--) { node.options[k].selected = node.options[k].defaultSelected; } } else { for ( var k = node.options.length - 1; k >= 0; k--) { //node.options.remove(k); node.options[k].selected = false ; } } break ; case "checkbox" : case "radio" : if (isReset) { node.checked = node.defaultChecked; } else { node.checked = false ; } break ; } if (node.childNodes && node.childNodes.length > 0) { var l = node.childNodes.length; for ( var i = 0; i < l; i++) { setObjData(node.childNodes[i], isReset); } } } })(jQuery); |