本文實例講述了javascript實現表格增刪改操作的方法。分享給大家供大家參考。具體實現方法如下：
? 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>javascript 表格增刪改</title> <script type="text/javascript"> var _OTable_ = null; var _oTbody_ = null; var _arrSelect_ = new Array; var _oTempValue_=new Object; _oTempValue_["$updateIndex"]=-1; var _TheadName_=new Array("姓名","性別","年齡","籍貫","刪除否"); var CELLS_COUNT=_TheadName_.length-1; String.prototype.trim=function() { return this.replace(/(^s*)(s*$)/g, ''); } window.onload = function() { var $oAdd = document.getElementById("btnAdd"); $oAdd.onclick = function() { var _oCol1_ = document.getElementById("Col1"); var _oCol2_ = document.getElementById("Col2"); var _oCol3_ = document.getElementById("Col3"); var _oCol4_ = document.getElementById("Col4"); if (!_OTable_) //如果不存在表則新建 { _OTable_ = document.createElement("table"); _OTable_.setAttribute("border", "1"); _OTable_.setAttribute("width", "800px"); var _Thead_=_OTable_.createTHead(); var _TRow_=_Thead_.insertRow(0); for(var _headindex_=0;_headindex_<CELLS_COUNT+1;_headindex_++ ) { var _tTh=_TRow_.insertCell(_headindex_); _tTh.appendChild(document.createTextNode(_TheadName_[_headindex_])); } _oTbody_ = document.createElement("tbody"); _OTable_.appendChild(_oTbody_); document.getElementById("TableData").appendChild(_OTable_); } if(!_oCol1_.value.trim()){alert("姓名必須填寫！"); return;} //添加一行 var _oRow_ = _oTbody_.insertRow(-1); //添加5列，四列值，一列選擇 var _oCell1_ = _oRow_.insertCell(-1); _oCell1_.appendChild(document.createTextNode(_oCol1_.value)); var _oCell2_ = _oRow_.insertCell(-1); _oCell2_.appendChild(document.createTextNode(_oCol2_.value)); var _oCell3_ = _oRow_.insertCell(-1); _oCell3_.appendChild(document.createTextNode(_oCol3_.value)); var _oCell4_ = _oRow_.insertCell(-1); _oCell4_.appendChild(document.createTextNode(_oCol4_.value)); _oCol1_.value = ""; _oCol2_.value = ""; _oCol3_.value = ""; _oCol4_.value = ""; //選擇 var _oCell5_ = _oRow_.insertCell(4); _oCell5_.setAttribute("style", "width:50px;"); var _oCheckBox_ = document.createElement("input"); _oCheckBox_.setAttribute("type", "checkbox"); _oCell5_.appendChild(_oCheckBox_); _oCheckBox_.onclick = function() { if (_oCheckBox_.checked) { var _rowIndex_ = _oCheckBox_.parentNode.parentNode.rowIndex-1; _arrSelect_.push(_rowIndex_); } } _oRow_.ondblclick = function() { var _oPreUpdateIndex_=_oTempValue_["$updateIndex"]; var _oPreTempRow_=null; if (parseInt(_oPreUpdateIndex_) != -1) //原先選定行重置 { if (!_OTable_ || !_oTbody_) return; _oPreTempRow_= _oTbody_.rows[parseInt(_oPreUpdateIndex_)]; var _cancelornot_=false; for(var _cellindex_=0;_cellindex_<CELLS_COUNT;_cellindex_++) { var $attributeNode_=_oPreTempRow_.cells[_cellindex_].firstChild; var $nodedata_=document.all?$attributeNode_.getAttribute("value"):$attributeNode_.value; if($nodedata_!=_oTempValue_["$"+_cellindex_])//與原值比較 { _cancelornot_=confirm("你之前的內容作了修改，保存修改嗎？"); break; } } if(_cancelornot_) { //避免前次提交為空 var _firstNode_=_oPreTempRow_.cells[0].firstChild; var $firstnodedata_=_firstNode_.getAttribute("value"); if(!$firstnodedata_||!$firstnodedata_.trim()){alert("姓名不能為空,請重新編輯！"); _firstNode_.focus(); return;}; for(var _cellindex_=0;_cellindex_<CELLS_COUNT;_cellindex_++) { var _oldNode_=_oPreTempRow_.cells[_cellindex_].firstChild; var $nodedata_=document.all?_oldNode_.getAttribute("value"):_oldNode_.value; var _textnode_= document.createTextNode($nodedata_); _oPreTempRow_.cells[_cellindex_].replaceChild(_textnode_,_oldNode_); delete _oTempValue_["$"+_cellindex_]; } } else { for(var _cellindex_=0;_cellindex_<CELLS_COUNT;_cellindex_++) { var _oldNode_=_oPreTempRow_.cells[_cellindex_].firstChild; var _textnode_= document.createTextNode(_oTempValue_["$"+_cellindex_]); _oPreTempRow_.cells[_cellindex_].replaceChild(_textnode_,_oldNode_); delete _oTempValue_["$"+_cellindex_]; } } } _oTempValue_["$updateIndex"] = this.rowIndex-1; //單元格中只有一個文本節點 for(var _cellindex_=0;_cellindex_<CELLS_COUNT;_cellindex_++) { var _textbox_= document.createElement("input"); _textbox_.setAttribute("type", "text"); var _preNode_=this.cells[_cellindex_].firstChild; _oTempValue_["$"+_cellindex_]=_preNode_.nodeValue; //記錄原先的值 _textbox_.setAttribute("value",_preNode_.nodeValue); this.cells[_cellindex_].replaceChild(_textbox_ ,_preNode_); } }; }; //刪除 var $oDelete = document.getElementById("btnDelete"); $oDelete.onclick = function() { if (_arrSelect_.length == 0) { alert("您還沒有選擇要刪除的行."); return; } if (_OTable_ && _oTbody_) { var _confirmMsg_ = "你確定要刪除名字是如下：n"; for (var index = 0, iLen = _arrSelect_.length; index < iLen; index++) { var _deletName_ = _oTbody_.rows[parseInt(_arrSelect_[index])].cells[0].firstChild.nodeValue; _confirmMsg_ = _confirmMsg_.concat(_deletName_ + "n"); } _confirmMsg_ = _confirmMsg_.concat("的信息嗎？"); if (!confirm(_confirmMsg_)) return; for (var index = _arrSelect_.length - 1; index >= 0; index--) { _oTbody_.deleteRow(parseInt(_arrSelect_[index])); } } _arrSelect_.splice(0,_arrSelect_.length); //清空選擇列表 }; //更新：（紅色部分為更新的代碼） //更新 var $oUpdate = document.getElementById("btnUpdate"); $oUpdate.onclick = function() { var _oPreUpdateIndex_=_oTempValue_["$updateIndex"] if (parseInt(_oPreUpdateIndex_)== -1){alert("您未編輯任何更新行!") ;return;} if (_OTable_ && _oTbody_ ) { if(confirm("您確定修改嗎？")) { var _temprow_= _oTbody_.rows[parseInt(_oPreUpdateIndex_)]; var $namenode=_temprow_.cells[0].firstChild; var $namenodevalue=document.all?$namenode.getAttribute("value"):$namenode.value; if(!$namenodevalue||!$namenodevalue.trim()){ alert("姓名不能為空,請重新編輯！"); $namenode.focus(); return;} for(var _cellindex_=0;_cellindex_<CELLS_COUNT;_cellindex_++) { var $tmpnode_=_temprow_.cells[_cellindex_].firstChild; var $nodedata_=document.all?$tmpnode_.getAttribute("value"):$tmpnode_.value; var _textnode_= document.createTextNode($nodedata_); var _oldNode_=_temprow_.cells[_cellindex_].firstChild; _temprow_.cells[_cellindex_].replaceChild(_textnode_,_oldNode_); delete _oTempValue_["$"+_cellindex_]; } } } _oTempValue_["$updateIndex"] = -1 }; //查找 var $oFind = document.getElementById("btnFind"); $oFind.onclick=function() { if(!_OTable_ && !_oTbody_ ){alert("目前尚無數據可查！");return;} ///////////////判斷之前有編輯未提交的 var _oPreUpdateIndex_=_oTempValue_["$updateIndex"]; var _oPreTempRow_=null; if (parseInt(_oPreUpdateIndex_) != -1) //原先選定行重置 { if (!_OTable_ || !_oTbody_) return; _oPreTempRow_= _oTbody_.rows[parseInt(_oPreUpdateIndex_)]; var _cancelornot_=false; for(var _cellindex_=0;_cellindex_<CELLS_COUNT;_cellindex_++) { var $childNode_=_oPreTempRow_.cells[_cellindex_].firstChild; var $nodedata_=document.all?$childNode_.getAttribute("value"):$childNode_.value; if($nodedata_!=_oTempValue_["$"+_cellindex_])//與原值比較 { _cancelornot_=confirm("你之前的內容作了修改，保存修改嗎？"); break; } } if(_cancelornot_) { //避免前次提交為空 var _firstNode_=_oPreTempRow_.cells[0].firstChild; var $firstnodedata_=document.all?_firstNode_.getAttribute("value"):_firstNode_.value; if(!$firstnodedata_||!$firstnodedata_.trim()){alert("姓名不能為空,請重新編輯！"); _firstNode_.focus(); return;}; for(var _cellindex_=0;_cellindex_<CELLS_COUNT;_cellindex_++) { var _oldNode_=_oPreTempRow_.cells[_cellindex_].firstChild; var $nodedata_=document.all?_oldNode_.getAttribute("value"):_oldNode_.value; var _textnode_= document.createTextNode($nodedata_); _oPreTempRow_.cells[_cellindex_].replaceChild(_textnode_,_oldNode_); delete _oTempValue_["$"+_cellindex_]; } } else { for(var _cellindex_=0;_cellindex_<CELLS_COUNT;_cellindex_++) { var _oldNode_=_oPreTempRow_.cells[_cellindex_].firstChild; var _textnode_= document.createTextNode(_oTempValue_["$"+_cellindex_]); _oPreTempRow_.cells[_cellindex_].replaceChild(_textnode_,_oldNode_); delete _oTempValue_["$"+_cellindex_]; } } } //清除更新列表 for(var $obj_ in _oTempValue_) { delete _oTempValue_[$obj_]; } // _oTempValue_=new Object; _oTempValue_["$updateIndex"] = -1; ////////////////////////開始查詢 var _$oSelect_= document.getElementById("selectCol"); var _Index_=_$oSelect_.selectedIndex; var _$oSelectValue_= _$oSelect_.value; var _$oSelectText_= _$oSelect_.options[_Index_].text; var _$olike_=document.getElementById("Col9"); var _$rowcollection_=_oTbody_.rows; var _$rLen=_$rowcollection_.length; switch(parseInt(_$oSelectValue_)) { case 0: for(var _rIndex=0;_rIndex<_$rLen;_rIndex++) { var _selectrow_=_$rowcollection_[_rIndex]; var $pat = new RegExp(_$olike_.value.trim(),"i"); if(!_$olike_.value.trim()){_selectrow_.style.display=document.all?"block":"table-row";}//如果查詢框為空，則全部提取..模糊搜索 else {if(!$pat.test(_selectrow_.cells[0].firstChild.nodeValue.trim())){ _selectrow_.style.display="none";}} } break; case 1: for(var _rIndex=0;_rIndex<_$rLen;_rIndex++) { var _selectrow_=_$rowcollection_[_rIndex]; var $pat = new RegExp(_$olike_.value.trim(),"i"); if(!_$olike_.value.trim()){_selectrow_.style.display=document.all?"block":"table-row";} else {if(!$pat.test(_selectrow_.cells[1].firstChild.nodeValue.trim())) {_selectrow_.style.display="none";}} } break; case 2: for(var _rIndex=0;_rIndex<_$rLen;_rIndex++) { var _selectrow_=_$rowcollection_[_rIndex]; var $pat = new RegExp(_$olike_.value.trim(),"i"); if(!_$olike_.value.trim()){_selectrow_.style.display=document.all?"block":"table-row";} else {if(!$pat.test(_selectrow_.cells[2].firstChild.nodeValue.trim())) { _selectrow_.style.display="none";}} } break; //更新（紅色部分為更新的） case 3: for(var _rIndex=0;_rIndex<_$rLen;_rIndex++) { var _selectrow_=_$rowcollection_[_rIndex]; var $pat = new RegExp(_$olike_.value.trim(),"i"); if(!_$olike_.value.trim()){_selectrow_.style.display=document.all?"block":"table-row";} else {if(!$pat.test(_selectrow_.cells[3].firstChild.nodeValue.trim())) { _selectrow_.style.display="none";}} } break; } _arrSelect_.splice(0,_arrSelect_.length);//清除刪除列表 var _checkBoxList_=document.getElementsByTagName("input"); //重置checkbox選擇. for(var _index=0,iLen=_checkBoxList_.length;_index<iLen;_index++) { if(_checkBoxList_[_index].type=="checkbox") { _checkBoxList_[_index].checked=false; } } }; var $oSelectAll = document.getElementById("btnSelectAll"); $oSelectAll.onclick=function() { if(_OTable_ && _oTbody_ ) { var _$rowall_=_oTbody_.rows; for(var _rIndex=0,_rLen=_$rowall_.length;_rIndex<_rLen;_rIndex++) { var _selectrow_=_$rowall_[_rIndex]; _selectrow_.style.display=document.all?"block":"table-row"; } } } } </script> </head> <body> <fieldset> <legend>操作Table之增刪查改</legend> <fieldset> <legend>添加</legend> <label for="Col1"> 姓名： </label> <input type="text" id="Col1" /> <label for="Col2"> 性別： </label> <input type="text" id="Col2" /> <label for="Col3"> 年齡： </label> <input type="text" id="Col3" /> <label for="Col4"> 籍貫： </label> <input type="text" id="Col4" /> <input type="button" value="添加" id="btnAdd" /> </fieldset> <fieldset> <legend>查找</legend> <label for="Col9"> 查找內容： </label> <script type="text/javascript"> var options = ["<option value="0" selected>姓名</option>", "<option value="1">性別</option>", "<option value="2">年齡</option>", "<option value="3">籍貫</option>"]; document.write("<select name="selectCol" id="selectCol">" + options.join("") + "</select>"); </script> <input type="text" id="Col9" /> <input type="button" value="查找" id="btnFind" /> </fieldset> </fieldset> <br /> <fieldset id="TableData"> <legend>表格數據</legend> </fieldset> <input type="button" value="刪除" id="btnDelete" /> <input type="button" value="更新" id="btnUpdate" /> <input type="button" value="顯示全部" id="btnSelectAll" /> </body> </html>希望本文所述對大家的javascript程序設計有所幫助。