{
  "order": 3,
  "key": "line-chart",
  "type": "line-chart",
  "name": "折线图",
  "description": "展示数值随时间或有序类目的变化趋势",
  "tags": [
    "charts",
    "折线图",
    "line-chart"
  ],
  "renderer": "echarts",
  "group": "charts",
  "icon": "solar:graph-up-bold",
  "sample_data": true,
  "usage_notes": [
    "默认图表数据仅用于演示，不是真实业务数据",
    "通过顶层 dataId 关联已有数据源，当前后端尚未实现绑定操作"
  ],
  "field_groups": [
    "node-base",
    "chart-title",
    "chart-legend",
    "chart-grid",
    "chart-axis",
    "chart-line-series",
    "chart-dataset",
    "chart-encode-xy"
  ],
  "eventOptions": [
    {
      "label": "点击事件",
      "value": "click"
    },
    {
      "label": "双击事件",
      "value": "dblclick"
    },
    {
      "label": "鼠标进入事件",
      "value": "mouseenter"
    },
    {
      "label": "鼠标离开事件",
      "value": "mouseleave"
    },
    {
      "label": "鼠标按下事件",
      "value": "mousedown"
    },
    {
      "label": "鼠标抬起事件",
      "value": "mouseup"
    },
    {
      "label": "鼠标移动事件",
      "value": "mousemove"
    },
    {
      "label": "鼠标滚轮事件",
      "value": "mousewheel"
    },
    {
      "label": "生命周期事件",
      "value": "vnodeMounted"
    }
  ],
  "schema": {
    "type": "line-chart",
    "name": "折线图",
    "layout": {
      "x": 0,
      "y": 0,
      "width": 400,
      "height": 260
    },
    "props": {
      "option": {
        "legend": {
          "top": 38,
          "left": "center",
          "itemWidth": 12,
          "itemHeight": 8,
          "show": true,
          "textStyle": {
            "color": "#cfd3dc"
          }
        },
        "title": {
          "text": "访问量趋势",
          "top": 8,
          "left": "center",
          "textStyle": {
            "color": "#e5eaf3",
            "fontSize": 16
          }
        },
        "tooltip": {
          "trigger": "axis"
        },
        "dataset": {
          "source": [
            {
              "date": "周一",
              "visits": 820
            },
            {
              "date": "周二",
              "visits": 932
            },
            {
              "date": "周三",
              "visits": 901
            },
            {
              "date": "周四",
              "visits": 934
            },
            {
              "date": "周五",
              "visits": 1290
            },
            {
              "date": "周六",
              "visits": 1330
            },
            {
              "date": "周日",
              "visits": 1320
            }
          ]
        },
        "grid": {
          "top": 86,
          "right": 24,
          "bottom": 32,
          "left": 48,
          "containLabel": true
        },
        "xAxis": {
          "type": "category",
          "boundaryGap": false,
          "axisLine": {
            "lineStyle": {
              "color": "#4c4d4f"
            }
          },
          "axisLabel": {
            "color": "#cfd3dc"
          }
        },
        "yAxis": {
          "type": "value",
          "axisLabel": {
            "color": "#cfd3dc"
          },
          "splitLine": {
            "lineStyle": {
              "color": "rgba(255, 255, 255, 0.08)"
            }
          }
        },
        "series": [
          {
            "name": "访问量",
            "type": "line",
            "smooth": true,
            "symbolSize": 8,
            "encode": {
              "x": "date",
              "y": "visits"
            },
            "lineStyle": {
              "width": 3,
              "color": "#409eff"
            },
            "itemStyle": {
              "color": "#409eff"
            }
          }
        ]
      }
    },
    "style": null,
    "events": []
  }
}