把形如这样的 url abc.com/{a} param {a:1,b:2} 变成 url:abc.com/1 param:{b:2}
var renderUrl=function (url, params) {
const regex = /\/(?:\{(\w+)\})/g;
var m;
var result = url;
while ((m = regex.exec(url)) !== null) {
if (m.index === regex.lastIndex) {
regex.lastIndex++;
}
if (params[m[1]] !== undefined) {
result = result.replace('{' + m[1] + '}', params[m[1]])
delete params[m[1]]
} else {
console.log('params', params)
throw Error(`在解析请求url时有未匹配的属性${m[1]}`)
}
}
return { url: result, params: params };
}