extjs tree 的正确的后台数据(亲测)

[{
    "checked":false,
    "children":[
        {
            "checked":false,
            "children":[
                {
                    "checked":false,
                    "children":[
                    ],
                    "id":"0101",
                    "leaf":true,
                    "text":"研发部"
                },
                {
                    "checked":false,
                    "children":[
                    ],
                    "id":"0102",
                    "leaf":true,
                    "text":"研发部"
                }
            ],
            "id":"01",
            "leaf":false,
            "text":"技术部"
        },
        {
            "checked":false,
            "children":[
                {
                    "checked":false,
                    "children":[
                    ],
                    "id":"0202",
                    "leaf":true,
                    "text":"行政部"
                },
                {
                    "checked":false,
                    "children":[
                    ],
                    "id":"0201",
                    "leaf":true,
                    "text":"人事部"
                }
            ],
            "id":"02",
            "leaf":false,
            "text":"后勤部"
        }
    ],
    "id":"0",
    "leaf":false,
    "text":"root"
}]


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