打印

前端生成的参数，传给后端

构造函数

new CreatePrintTask(view, ctx)

Parameter 入参

名称	类型	说明	示例
view	view	esri 对象

属性

名称	说明	类型	可选值	默认值
polygon
scale	预览框的比例尺	view.scale

方法

方法名	说明	入参
create	绘制矩形框	-
printParams

D - 示例代码

const printTask = window.gis.printTask()


// 绘制矩形框
printTask.create({
  width: 28.2,
  height: 17.0782
})


console.log(printTask.scale)


const printParameters = {
  layout: 'a3-portrait',
  format: 'gif',
  dpi: 300,
  title: '标题',
  templateId: '作者'
}


const printParameters = {
  layout: element.svcName,
  format: vm.formatValue,
  dpi: 300,
  titleText: vm.title,
  authorText: vm.author,
  copyrightText: vm.copyright,
  templateId: vm.templateId,
  scale: this.gis.view.scale,
  excludeIds: this.printMap ? [] : this.excludeIds()
}


// 获取打印参数
printTask.printParams(printParameters, (Web_Map_as_JSON) => {
  console.log(Web_Map_as_JSON)
  this.Api.execute({ Web_Map_as_JSON }).then((res) => {
    //打印成功，点击此处下载文件
  })
  // 传入后端接口
})

layoutOptions.customTextElements 新增字段内容存放位置

{
  "operationalLayers": [
    {
      "type": "WebTiledLayer",
      "urlTemplate": "http://{subDomain}.tianditu.gov.cn/vec_c/wmts?SERVICE=WMTS&REQUEST=GetTile&VERSION=1.0.0&LAYER=vec&STYLE=default&TILEMATRIXSET=c&TILEMATRIX={level}&TILEROW={row}&TILECOL={col}&FORMAT=tiles&tk=993470e78cc4324e1023721f57b23640",
      "credits": "国家矢量地图服务",
      "subDomains": ["t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7"],
      "id": "COUNTRY_DLG01",
      "title": "Layer",
      "opacity": 1,
      "minScale": 0,
      "maxScale": 0
    },
    {
      "type": "WebTiledLayer",
      "urlTemplate": "http://{subDomain}.tianditu.gov.cn/cva_c/wmts?SERVICE=WMTS&REQUEST=GetTile&VERSION=1.0.0&LAYER=cva&STYLE=default&TILEMATRIXSET=c&TILEMATRIX={level}&TILEROW={row}&TILECOL={col}&FORMAT=tiles&tk=993470e78cc4324e1023721f57b23640",
      "credits": "国家矢量注记地图服务",
      "subDomains": ["t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7"],
      "id": "COUNTRY_DLG02",
      "title": "Layer",
      "opacity": 1,
      "minScale": 0,
      "maxScale": 0
    }
  ],
  "mapOptions": {
    "extent": {
      "spatialReference": {
        "wkid": 4326
      },
      "xmin": 117.95944719833567,
      "ymin": 24.5955440341926,
      "xmax": 118.14220367030076,
      "ymax": 24.70622316821791
    },
    "spatialReference": {
      "wkid": 4326
    },
    "showAttribution": true,
    "scale": 72142.9670553589
  },
  "exportOptions": {
    "dpi": 300,
    "outputSize": [null, null]
  },
  "layoutOptions": {
    "titleText": "",
    "authorText": "",
    "customTextElements": {
      "layout": "a3-portrait",
      "format": "gif",
      "dpi": 300,
      "title": "标题",
      "templateId": "作者"
    },
    "scaleBarOptions": {},
    "legendOptions": {
      "operationalLayers": []
    }
  }
}