Fix #188: Export Button is not shown only use showExport=true

src/bootstrap-table.js

@@ -606,7 +606,8 @@
 
         html.push('</div>');
 
-        if (html.length > 2) {
+        // Fix #188: this.showToolbar is for extentions
+        if (this.showToolbar || html.length > 2) {
             this.$toolbar.append(html.join(''));
         }
 

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

@@ -29,6 +29,8 @@
         _initToolbar = BootstrapTable.prototype.initToolbar;
 
     BootstrapTable.prototype.initToolbar = function () {
+        this.showToolbar = true;
+
         _initToolbar.apply(this, Array.prototype.slice.apply(arguments));
 
         if (this.options.showExport) {