添加新要素到图层

_addGeo(){cosnt self = thislet url = https://......./featurelayer/某某某图层/3let geo = 你新绘制的图形let attributes = 你新绘制图形的属性信息let addingGraphics = Graphic({geometry:geo,attributes:attributes})const pro = self._addToLayer(url , JSON.stringify(addingGraphics).replaceAll("\\", ""))Promise.all([pro]).then((result) => {const response = JSON.parse(result)if (response.addResults != undefined && response.addResults.length > 0) {                   self.$message.success("保存成功");} else {self.$message.error("保存失败，请检查服务。");}self.mapClear();})
},_addToLayer(url, param) {var formData = new FormData();formData.append("f", "pjson");formData.append("adds", param);return new Promise((resolve, reject) => {const A= "A"const B= "B"$.ajax({url: `${url}/applyEdits`,type: "post",async: true,data: formData,processData: false,contentType: false,headers: { //头部信息添加到这里A: A,B: B,},success: function (response) {resolve(response)},error: function (e) {reject(null)},});})},

deletegeo(){cosnt self = thislet url = https://......./featurelayer/某某某图层/3let feat= 你要删除的要素
let objs = [feat.attributes.objectid]  //objs是数组，可以删除多个。objectid是服务的标识字段值let pro1 = self._delFromLayer(url, objs)
Promise.all([pro1]).then((result) => {const response1 = JSON.parse(result[0])if (response1.deleteResults != undefined && response1.deleteResults.length > 0 ) {self.$message.success("删除成功。");} else {self.$message.error("删除失败，请检查服务。");}})},_delFromLayer(url, param) {const self = thisvar formData = new FormData();formData.append("f", "pjson");formData.append("deletes", param);return new Promise((resolve, reject) => {const A= "A"const B= "B"$.ajax({url: `${url}/applyEdits`,type: "post",async: true,data: formData,processData: false,contentType: false,headers: {A: A,B: B},success: function (response) {resolve(response)},error: function (e) {reject(null)},});})},