Added unique id table option

docs/_i18n/en/documentation/table-options.md

@@ -310,6 +310,13 @@ The table options is defined in `jQuery.fn.bootstrapTable.defaults`.
         <td>Indicate which field is an identity field.</td>
     </tr>
     <tr>
+        <td>uniqueId</td>
+        <td>data-unique-id</td>
+        <td>String</td>
+        <td>undefined</td>
+        <td>Indicate an unique identifier for each row.</td>
+    </tr>
+    <tr>
         <td>cardView</td>
         <td>data-card-view</td>
         <td>Boolean</td>

docs/_i18n/es/documentation/table-options.md

@@ -300,6 +300,13 @@ Las opciones de la tabla están definidas en `jQuery.fn.bootstrapTable.defaults`
         <td>Indica cuál campo es el identificador.</td>
     </tr>
     <tr>
+        <td>uniqueId</td>
+        <td>data-unique-id</td>
+        <td>String</td>
+        <td>undefined</td>
+        <td>Indica un único id para cada fila.</td>
+    </tr>
+    <tr>
         <td>cardView</td>
         <td>data-card-view</td>
         <td>Boolean</td>

src/bootstrap-table.js

@@ -171,6 +171,7 @@
         smartDisplay: true,
         minimumCountColumns: 1,
         idField: undefined,
+        uniqueId: undefined,
         cardView: false,
         trimOnSearch: true,
         clickToSelect: false,
@@ -1233,6 +1234,7 @@
                 sprintf(' id="%s"', $.isArray(item) ? undefined : item._id),
                 sprintf(' class="%s"', style.classes || ($.isArray(item) ? undefined : item._class)),
                 sprintf(' data-index="%s"', i),
+                sprintf(' data-unique-id="%s"', item[this.options.uniqueId]),
                 '>'
             );