Complex Table can't print

src/extensions/print/bootstrap-table-print.js

@@ -69,19 +69,34 @@
                         }
                     }
 
-                    function buildTable(data,columns) {
-                        var out = "<table><thead><tr>";
-                        for(var h = 0; h < columns.length; h++) {
-                            if(!columns[h].printIgnore) {
-                                out += ("<th>"+columns[h].title+"</th>");
+                    function buildTable(data, columnsArray) {
+                        var out = "<table><thead>";
+                        for(var k = 0; k < columnsArray.length; k++) {
+                            var columns = columnsArray[k];
+                            out += "<tr>";
+                            for(var h = 0; h < columns.length; h++) {
+                                if (!columns[h].printIgnore) {
+                                    out += "<th ";
+                                    if (columns[h].rowspan) {
+                                        out += (" rowspan='" + columns[h].rowspan + "'");
+                                    }
+                                    if (columns[h].colspan) {
+                                        out += (" colspan='" + columns[h].colspan + "'");
+                                    }
+                                    out += (">" + columns[h].title + "</>");
+                                }
                             }
+                            out += "</tr>";
                         }
-                        out += "</tr></thead><tbody>";
+                        out += "</thead><tbody>";
                         for(var i = 0; i < data.length; i++) {
                             out += "<tr>";
-                            for(var j = 0; j < columns.length; j++) {
-                                if(!columns[j].printIgnore) {
-                                    out += ("<td>"+ formatValue(data[i], i, columns[j])+"</td>");
+                            for(var l = 0; l < columnsArray.length; l++) {
+                                var columns = columnsArray[l];
+                                for(var j = 0; j < columns.length; j++) {
+                                    if (!columns[j].printIgnore && columns[j].field) {
+                                        out += ("<td>" + formatValue(data[i], i, columns[j]) + "</td>");
+                                    }
                                 }
                             }
                             out += "</tr>";
@@ -122,7 +137,7 @@
                     var doPrint = function (data) {
                         data=filterRows(data,getColumnFilters(that.options.columns));
                         data=sortRows(data,that.options.printSortColumn,that.options.printSortOrder);
-                        var table=buildTable(data,that.options.columns[0]);
+                        var table=buildTable(data,that.options.columns);
                         var newWin = window.open("");
                         newWin.document.write(that.options.printPageBuilder.call(this, table));
                         newWin.print();