{
  "project": {
    "name": "数据筛选示例",
    "screen": {
      "uid": "screen_main",
      "type": "screen",
      "name": "主页面",
      "options": { "fullscreen-mode": "fill-uniform", "fill-auto-expand": true, "size": [1920, 1080], "background-color": "#0c0d0e" },
      "stateOverrides": {},
      "widgets": [
        {
          "uid": "w_title",
          "type": "basic-text",
          "options": {
            "position": [120, 70],
            "size": [1400, 60],
            "text": "数据筛选：左表显示全部，右表用「筛选数据源指定条数」从第2行起取3条",
            "text-font": { "size": 28, "color": "#ffffff" },
            "text-position": "left"
          },
          "stateOverrides": {}
        },
        {
          "uid": "w_table_all",
          "type": "basic-table",
          "name": "全部数据",
          "options": {
            "position": [120, 180],
            "size": [560, 360],
            "row-count": 6,
            "table-data-fields": [
              ["conn_demo", "tbl_demo", "分类"],
              ["conn_demo", "tbl_demo", "值"]
            ]
          },
          "stateOverrides": {}
        },
        {
          "uid": "w_table_filtered",
          "type": "basic-table",
          "name": "筛选后(第2~4条)",
          "options": {
            "position": [760, 180],
            "size": [560, 360],
            "row-count": 6,
            "filter": true,
            "row-filter-mode": "data-rows",
            "row-filter-start-index": 2,
            "row-filter-row-count": 3,
            "table-data-fields": [
              ["conn_demo", "tbl_demo", "分类"],
              ["conn_demo", "tbl_demo", "值"]
            ]
          },
          "stateOverrides": {}
        },
        {
          "uid": "w_bar_row1",
          "type": "chart-bar",
          "name": "只看第1行",
          "options": {
            "position": [1380, 180],
            "size": [440, 360],
            "title": "筛选指定行=第1行",
            "show-label": true,
            "filter": true,
            "row-filter-mode": "data-row",
            "row-filter-row-index": 1,
            "category-field": [["conn_demo", "tbl_demo", "分类"]],
            "metric-fields": [["conn_demo", "tbl_demo", "值"]]
          },
          "stateOverrides": {}
        }
      ]
    },
    "screens": [],
    "params": {},
    "settings": {}
  },
  "connections": [
    {
      "uid": "conn_demo",
      "name": "示例数据",
      "type": "json",
      "connectorType": "json",
      "config": { "copyToRoot": true, "fileName": "" },
      "tables": [
        {
          "uid": "tbl_demo",
          "name": "示例数据",
          "fields": [
            { "uid": "分类", "alias": "分类", "type": "string" },
            { "uid": "值", "alias": "值", "type": "number" }
          ]
        }
      ]
    }
  ],
  "connectionData": {
    "conn_demo": [
      {
        "tableId": "tbl_demo",
        "tableName": "示例数据",
        "fields": [
          { "uid": "分类", "alias": "分类", "type": "string" },
          { "uid": "值", "alias": "值", "type": "number" }
        ],
        "rows": [
          { "分类": "示例 1", "值": 1048 },
          { "分类": "示例 2", "值": 735 },
          { "分类": "示例 3", "值": 580 },
          { "分类": "示例 4", "值": 1005 },
          { "分类": "示例 5", "值": 700 }
        ]
      }
    ]
  },
  "dataRules": []
}