[英]DataTables sAjaxSource Json higlight search data
我正在嘗試在數據表上實現搜索突出顯示(JSON數據即將到來,並通過“ sAjaxSource”從服務器端填充了該表),請查看以下代碼以獲取詳細信息。
搜索在默認情況下有效,但高亮根本不起作用。
我提醒了searchTxt + = $('#search_input')。val();的數據 alert(“ txt” + searchTxt); 並且警報顯示搜索輸入框文本。 Alert for“ alert(”“ + aData [j]);”顯示“未定義而不是列數據,並且高亮不起作用。
有人能對此有所啟示嗎?
謝謝你,斯里
jQuery(document).ready(function() {
var oTable = jQuery('#example').dataTable({
"sDom": '<"#table_header"<"#inner_table_header"<"filtertx">fCT<"filterbtn">>>tipl',
"sAjaxSource": ajaxURL,
"bDeferRender": true,
"bProcessing" : true,
"bJQueryUI": true,
"sScrollY": 500,
"aaSorting": [[0, 'desc']],
"aoColumns": [
{ "mData": "name" },
{ "mData": "flag" }
],
"oSearch": {"sSearch": "",
"bSmart": true,
"bRegex": false},
"sPaginationType": "paginate",
"fnRowCallback": function( nRow, aData, iDisplayIndex, iDisplayIndexFull ) {
$(nRow).addClass('clickable');
$(nRow).attr('onClick', "editPopup(" + aData['conditionId'] + ")");
},
"fnDrawCallback": function( oSettings ) {
$(expandWrapper);
}
});
$("#example_filter label").attr("for", "search_input");
$("#example_filter input").attr({
"id": "search_input",
"placeholder" : 'search'
});
oTable.fnSearchHighlighting();
});
jQuery.fn.dataTableExt.oApi.fnSearchHighlighting = function(oSettings) {
oSettings.oPreviousSearch.oSearchCaches = {};
oSettings.oApi._fnCallbackReg( oSettings, 'aoRowCallback', function( nRow, aData, iDisplayIndex, iDisplayIndexFull) {
var searchStrings = [];
var oApi = this.oApi;
var cache = oSettings.oPreviousSearch.oSearchCaches;
// Global search string
// If there is a global search string, add it to the search string array
if (oSettings.oPreviousSearch.sSearch) {
searchStrings.push(oSettings.oPreviousSearch.sSearch);
}
// Individual column search option object
// If there are individual column search strings, add them to the search string array
searchTxt=$('#filter_input input[type="text"]').val();
searchTxt+=$('#search_input').val();
alert("txt" + searchTxt);
if ((oSettings.aoPreSearchCols) && (oSettings.aoPreSearchCols.length > 0)) {
for (var i in oSettings.aoPreSearchCols) {
if (oSettings.aoPreSearchCols[i].sSearch) {
searchStrings.push(searchTxt);
}
}
}
// Create the regex built from one or more search string and cache as necessary
if (searchStrings.length > 0) {
var sSregex = searchStrings.join("|");
if (!cache[sSregex]) {
// This regex will avoid in HTML matches
cache[sSregex] = new RegExp("("+escapeRegExpSpecialChars(sSregex)+")(?!([^<]+)?>)", 'i');
}
var regex = cache[sSregex];
}
// Loop through the rows/fields for matches
jQuery('td', nRow).each( function(i) {
// Take into account that ColVis may be in use
var j = oApi._fnVisibleToColumnIndex( oSettings,i);
// Only try to highlight if the cell is not empty or null
alert(""+ aData[j]);
if (aData[j]) {
// If there is a search string try to match
if ((typeof sSregex !== 'undefined') && (sSregex)) {
alert("here");
this.innerHTML = aData[j].replace( regex, function(matched) {
return "<span class='filterMatches'>"+matched+"</span>";
});
}
// Otherwise reset to a clean string
else {
this.innerHTML = aData[j];
}
}
});
return nRow;
}, 'row-highlight');
return this;
};
無論搜索功能在哪里,並且如果要使用mData填充json數據,請使用mData信息來檢索列數據並突出顯示(請勿使用索引來檢索列數據以進行搜索和突出顯示)
var colProp = oSettings.aoColumns [i] .mData;
jQuery('td', nRow).each( function(i) {
/* Take into account that ColVis may be in use
var j = oApi._fnVisibleToColumnIndex( oSettings,i);
Only try to highlight if the cell is not empty or null
*/
var colProp = oSettings.aoColumns[i].mData;
if (aData[colProp] !== undefined && aData[colProp] !== null && aData[colProp] !== "") {
// If there is a search string try to match
if ((typeof sSregex !== 'undefined') && (sSregex)) {
var mapObj = {
'®' : "\u00AE",
'™' : "\u2122",
'"' : "\u201C",
' ' : " "
};
aData[colProp] = aData[colProp].replace(/(®)|(™)|(")|( )/gi, function(matched){
return mapObj[matched];
});
this.innerHTML = aData[colProp].replace( regex, function(matched) {
return "<span class='filterMatches'>"+matched+"</span>";
});
}
else {
this.innerHTML = aData[colProp];
}
}
});
return nRow;
}, 'row-highlight');
return this;
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