From 0a36d001d1be497d50e30b43abb9e02d36037f6e Mon Sep 17 00:00:00 2001
From: 徐旺旺 <11530253@qq.com>
Date: 星期四, 13 五月 2021 18:27:30 +0800
Subject: [PATCH] 分页

---
 src/components/helpers/WfsHelper.js |   67 +++++++++++++++++++++++++++++----
 1 files changed, 59 insertions(+), 8 deletions(-)

diff --git a/src/components/helpers/WfsHelper.js b/src/components/helpers/WfsHelper.js
index 64a6dd3..fb69871 100644
--- a/src/components/helpers/WfsHelper.js
+++ b/src/components/helpers/WfsHelper.js
@@ -1,37 +1,77 @@
 /**
  * 鍔犺浇WMS,鎷兼帴FILTER,LAYERS鍙傛暟绛�
  */
+import { WFS_URL } from '../../conf/Constants'
 function WfsHelper () {
   this.filters = []
   this.typeNames = []
-  this.url = 'http://xearth.cn:6289/server/ogcserver/PipeLine/wfs'
+  this.url = WFS_URL
+  this.page = 1
+  this.pageSize = 10
   this.params = {
     REQUEST: 'getfeature',
-    OUTPUTFORMAT: 'JSON',
-    maxFeatures: 20000,
+    OUTPUTFORMAT: 'application/json',
+    maxFeatures: 10,
     version: '1.0.0'
+  }
+
+  this.setTypeName = (typeName) => {
+    this.typeNames = typeName
+  }
+
+  this.clearFilter = () => {
+    this.filters = []
   }
 
   this.addTypeName = (typeName) => {
     this.typeNames.push(typeName)
   }
 
-  this.appendEquals = (property, literal) => {
-    var filter = '<PropertyIsEqualTo><PropertyName>' + property + '</PropertyName><Literal>' + literal + '</Literal></PropertyIsEqualTo>'
+  this.addEquals = (property, equals) => {
+    // var filter = '<PropertyIsEqualTo><PropertyName>' + property + '</PropertyName><Literal>' + literal + '</Literal></PropertyIsEqualTo>'
+    var filter = property + '=' + equals
     this.filters.push(filter)
   }
 
+  this.addLike = (property, literal) => {
+    // if (property && literal) {
+    // var filter = '<PropertyIsLike><PropertyName>' + property + '</PropertyName><Literal>*' + literal + '*</Literal></PropertyIsLike>'
+    // this.filters.push(filter)
+    // }
+    var filter = property + ' like \'%' + literal + '%\''
+    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 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)
+    } */
+    var filter = ''
+    if (this.filters.length > 0) {
+      filter = 'CQL_FILTER='
+      for (var i = 0; i < this.filters.length; i++) {
+        filter += this.filters[i]
+        if (i !== this.filters.length - 1) {
+          filter += ' AND '
+        }
+      }
+      return filter
     }
-    return null
+    return filter
   }
 
   this.getUrlParams = () => {
@@ -46,7 +86,8 @@
     if (filterParam) {
       params += '&' + filterParam
     }
-    return encodeURI(params)
+    // return encodeURI(params)
+    return params
   }
 
   this.getUrl = () => {
@@ -58,6 +99,16 @@
     }
     return url + this.getUrlParams()
   }
+
+  this.setPage = (page) => {
+    const startIndex = page * this.pageSize
+    this.params.startIndex = startIndex
+    this.page = page
+  }
+
+  this.setPageSize = (pageSize) => {
+    this.pageSize = pageSize
+  }
 }
 
 export default WfsHelper

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