From 2a803059365f15f350a9c088d3a4a5c1ac234fde Mon Sep 17 00:00:00 2001
From: YANGDL <114714267@qq.com>
Date: 星期二, 02 三月 2021 16:19:49 +0800
Subject: [PATCH] Merge remote-tracking branch 'origin/master'
---
src/components/helpers/WfsHelper.js | 77 ++++++++++++++++++++++++++++++++++++++
1 files changed, 77 insertions(+), 0 deletions(-)
diff --git a/src/components/helpers/WfsHelper.js b/src/components/helpers/WfsHelper.js
new file mode 100644
index 0000000..3208ca8
--- /dev/null
+++ b/src/components/helpers/WfsHelper.js
@@ -0,0 +1,77 @@
+/**
+ * 鍔犺浇WMS,鎷兼帴FILTER,LAYERS鍙傛暟绛�
+ */
+import MapConfig from '../../conf/MapConfig'
+function WfsHelper () {
+ this.filters = []
+ this.typeNames = []
+ this.url = MapConfig.BLUEMAP_HOST + '/server/ogcserver/PipeLine/wfs'
+ this.params = {
+ REQUEST: 'getfeature',
+ OUTPUTFORMAT: 'JSON',
+ maxFeatures: 20000,
+ version: '1.0.0'
+ }
+
+ this.addTypeName = (typeName) => {
+ this.typeNames.push(typeName)
+ }
+
+ this.addEquals = (property, literal) => {
+ var filter = '<PropertyIsEqualTo><PropertyName>' + property + '</PropertyName><Literal>' + literal + '</Literal></PropertyIsEqualTo>'
+ this.filters.push(filter)
+ }
+
+ this.addLike = (property, literal) => {
+ var filter = '<PropertyIsLike><PropertyName>' + property + '</PropertyName><Literal>' + literal + '</Literal></PropertyIsLike>'
+ this.filters.push(filter)
+ }
+
+ /**
+ * 寰楀埌filter鍙傛暟鍊�
+ * @returns {string|null}
+ */
+ this.getFilterParams = () => {
+ var head = '<Filter xmlns="http://www.opengis.net/ogc">'
+ var end = '</Filter>'
+ var filter = ''
+ if (this.filters.length > 0) {
+ for (var i = 0; i < this.filters.length; i++) {
+ filter += this.filters[i]
+ }
+ // 褰撴潯浠舵暟 > 1鏃讹紝闇�瑕佺敤and鏍囩鍖呰９
+ if (this.filters.length > 1) {
+ return ('FILTER=' + head + '<And>' + filter + '</And>' + end)
+ }
+ return ('FILTER=' + head + filter + end)
+ }
+ return null
+ }
+
+ this.getUrlParams = () => {
+ var params = ''
+ for (var p in this.params) {
+ params += (p + '=' + this.params[p] + '&')
+ }
+ // 鎷兼帴typename鍙傛暟
+ params += 'typename=' + this.typeNames.join(',')
+ // 鎷兼帴filter鍙傛暟
+ var filterParam = this.getFilterParams()
+ if (filterParam) {
+ params += '&' + filterParam
+ }
+ return encodeURI(params)
+ }
+
+ this.getUrl = () => {
+ var url = this.url
+ if (url.indexOf('?') > 0) {
+ url += '&'
+ } else {
+ url += '?'
+ }
+ return url + this.getUrlParams()
+ }
+}
+
+export default WfsHelper
--
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