将 JSON 字符串中的附加参数发送到 jqGrid

Question

我正在使用 PHP 为 JQGrid 生成 JSON。我已经向我是 JSON 编码的 PHP 对象添加了另一个属性：

$sql_array = preg_split('/LIMIT/', $sql);
$pass_sql = $sql_array[0];
$response->sql = $pass_sql;
<~SNIP~>
echo json_encode($response);

这在客户端解析得很好，并使用 JSON 填充 jqGrid，如下所示：

{"page":"1","total":28,"records":"685","sql":"SELECT * FROM fires ORDER BY id desc ","rows":[{"id":"3065","cell":["Southern","Lost Fire","National Forests in Mississippi","492","100","0000-00-00",null,null,null,null,null,null,null,null,null,null,null,"3065","2011-03-03 00:00:00"]},{"id":"3064","cell":["Southern","PineTree","East Central Area Dispatch Office","420","80","2011-03-02",null,null,null,null,null,null,null,null,null,null,null,"3064","2011-03-03 00:00:00"]},{"id":"3063","cell":["Southern","LILAC ROAD","Georgia Forestry Commission","100","100","2011-03-01",null,null,null,null,null,null,null,null,null //etc

我需要从 JSON 回复中提取该 sql 参数文本并将其隐藏在 DIV 中以备后用。这可能吗？

Answer 1

从服务器向 jqGrid 发送附加信息的最简单方法是userdata（请参阅this answer。如果您的 JSON 数据会是这样的

{
    "page":"1",
    "total":28,
    "records":"685",
    "userdata":"SELECT * FROM fires ORDER BY id desc ",
    "rows":[
       ...
    ]
}

或

{
    "page":"1",
    "total":28,
    "records":"685",
    "userdata": {
        sql: "SELECT * FROM fires ORDER BY id desc "
    },
    "rows":[
       ...
    ]
}

附加信息将保存在 jqGrid 中，您可以使用$("#grid_id").jqGrid('getGridParam','userData') 访问。

注意userData 的情况。在 JSON 数据中，它必须是 userdata，在 getGridParam 中：'userData'。