init commit

src/utils/query.js

@@ -0,0 +1,80 @@
+import _global from "../polyfill/_global";
+
+export function stringifyQuery(query) {
+    return Object.keys(query).map(key => {
+        const value = query[key];
+        return `${key}=${encodeURIComponent(value)}`;
+    }).join('&');
+}
+
+export function decodeQuery(query) {
+    return Object.keys(query).reduce((result, key) => {
+        const value = query[key];
+        result[key] = decodeURIComponent(value);
+        return result;
+    }, {});
+}
+
+export function parseQueryParams(path) {
+    let url = '';
+    let params = {};
+    if (!path || typeof path !== 'string') {
+        return { url, params }
+    }
+    let queryString = '';
+    let indexE = path.indexOf('?');
+    let indexW = path.indexOf('#');
+    let indexQ = path.indexOf('=');
+    if (indexE >= 0) {
+        url = path.substring(0, indexE);
+        queryString = path.substring(indexE + 1, indexW > 0 ? indexW : path.length);
+    } else if (indexQ >= 0) {
+        url = '';
+        queryString = path;
+    } else {
+        url = path;
+        queryString = '';
+    }
+    queryString.split('&').map(item => {
+        let index = item.indexOf("=");
+        if (index > 0) {
+            let key = item.substring(0, index);
+            let value = item.substring(index + 1);
+            params[key] = decodeURIComponent(value);
+        }
+    });
+    return { url, params };
+}
+
+export function appendQueryParams(path, query = {}) {
+    const { url, params } = parseQueryParams(path);
+    Object.keys(query).forEach(key => {
+        let value = query[key];
+        if (value !== undefined && value !== null) {
+            params[key] = value;
+        } else {
+            delete params[key];
+        }
+    });
+    const queryString = Object.keys(params).map(key => {
+        const value = params[key];
+        return `${key}=${encodeURIComponent(value)}`;
+    }).join('&');;
+    if (!url) {
+        return queryString;
+    }
+    if (!queryString) {
+        return url;
+    }
+    return `${url}?${queryString}`;
+}
+
+export function getQueryString(key, def) {
+    let search = _global.location.search;
+    var reg = new RegExp("(^|&)" + key + "=([^&]*)(&|$)");
+    var r = search.substr(1).match(reg);
+    if (r != null) {
+        return decodeURIComponent(unescape(r[2]));
+    }
+    return def;
+}