rn_supermap
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rn_supermap 一款基于React-Native框架的移动应用开发工具。基于该开发工具，用户可以使用JavaScript开发语言，开发出在Android和IOS操作系统下运行的原生移动GIS应用，入门门槛低，一次开发，处处运行。
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<h1 class="page-title">Source: QueryService.js</h1>
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<pre class="prettyprint source linenums"><code>/*********************************************************************************
Copyright © SuperMap. All rights reserved.
Author: Will
E-mail: pridehao@gmail.com
**********************************************************************************/
import {NativeModules} from 'react-native';
let SS = NativeModules.JSQueryService;
import ServiceBase from './ServiceBase.js';
/**
* @class QueryService
* @param QueryMode.SqlQuery - 查询模式：SQL查询
* @param QueryMode.FindNearest - 查询模式：最近地物查询
* @param QueryMode.DistanceQuery - 查询模式：距离查询
* @param QueryMode.SpatialQuery - 查询模式：空间查询
* @param QueryMode.BoundsQuery - 范围查询：范围查询
*
*/
export default class QueryService extends ServiceBase{
constructor(){
super();
//同步子类Id和父类Id
Object.defineProperty(this,"_SMQueryServiceId",{
get:function () {
return this._SMServiceBaseId
},
set:function (_SMQueryServiceId) {
this._SMServiceBaseId = _SMQueryServiceId;
}
})
}
/**
* 根据查询路径创建一个QueryService对象
* @memberOf QueryService
* @param url
* @returns {Promise.<QueryService>}
*/
async createObj(url) {
try {
var {_queryServiceId_} = await SS.createObj(url);
var queryService = new QueryService();
queryService._SMQueryServiceId = _queryServiceId_;
return queryService;
} catch (e) {
console.error(e);
}
}
/**
* 对Rest地图服务进行查询。
* @deprecated
* @memberOf QueryService
* @param serviceQueryParameter - 查询参数{@ling QueryParameter}。
* @param mode - 查询模式QueryMode
* @returns {Promise.<*>}
*/
async query(serviceQueryParameter, mode) {
try {
await SS.query(this._SMQueryServiceId,
serviceQueryParameter._SMServiceQueryParameterId, mode);
return queryService;
} catch (e) {
console.error(e);
}
}
/**
* 对Rest地图服务进行查询。
* @deprecated
* @memberOf QueryService
* @param url - 地图服务的全地址 ：如：http://192.168.120.1:8090/iserver/services/map-world/rest/maps/World。
* @param serviceQueryParameter - 查询参数。
* @param mode - 查询模式。
* @returns {Promise.<*>}
*/
async queryByUrl(url, serviceQueryParameter, mode) {
try {
await SS.queryByUrl(this._SMQueryServiceId, url,
serviceQueryParameter._SMServiceQueryParameterId, mode);
return queryService;
} catch (e) {
console.error(e);
}
}
}
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