shpUtils.js
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import {open,openShp} from "shapefile"
export default{
methods: {
/**
* @description: readShpByFile
* @param {*} file
* @param {*} callBackFunction
* @author: renchao
*/
readShpByFile(file,callBackFunction){
var reader = new FileReader();
reader.readAsBinaryString(file);
reader.οnlοad=function(){
var fileData = this.result ; //fileData就是读取到的文件的二进制数据
openShp(fileData).then(source => source.read()
.then(function log(result) {
if (result.done) return;
if(callBackFunction && typeof callBackFunction == 'function'){
callBackFunction(result.value);
}
return source.read().then(log);
}))
.catch(error => console.error(error.stack));
}
},
/**
* @description: readShpByFile
* @param {*} url
* @param {*} callBackFunction
* @author: renchao
*/
readShpByUrl(url,callBackFunction){
open(url).then(source => source.read()
.then(function log(result) {
if (result.done) return;
if(callBackFunction && typeof callBackFunction == 'function'){
callBackFunction(result.value);
}
return source.read().then(log);
}))
.catch(error => console.error(error.stack));
}
},
/**
* @description: readShpByZip
* @param {*} zipUrl
* @param {*} callBackFunction
* @author: renchao
*/
readShpByZip(zipUrl,callBackFunction){
}
}