122 lines
2.8 KiB
Markdown
122 lines
2.8 KiB
Markdown
# 常用的数据信息
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## 其他
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> 维护人员: youhong.ai
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+ 缓存地址: `/commcache/cacheMonitor.jsp`
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+ 移动端流程模拟地址: `/spa/workflow/static4mobile/index.html#/center/doing`
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## 常用代码
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### 前端
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**获取用户信息**
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> 维护人员：youhong.ai
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```javascript
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const userInfo = JSON.parse(localStorage.getItem("theme-account"))
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```
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**获取url参数**
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> 维护人员： youHong.ai
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```javascript
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getQueryString = (name) => {
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let reg = new RegExp("(^|&|\/?)" + name + "=([^&]*)(&|$)", "i");
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let searchStr = window.location.href
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if (searchStr.startsWith('&')) {
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searchStr = searchStr.substr(1)
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}
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search = searchStr.match(reg)
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if (search != null) {
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return unescape(search[2]);
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}
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return null;
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}
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```
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**ajax请求**
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> 维护人员： youHong.ai
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```javascript
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class ApiUtils {
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static request = (url, type = "GET", data, isAsync = true, success = () => {
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}, error = () => {
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}, complete = () => {
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}, contentType = 'application/json', beforeSend = () => {
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}) => {
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let options = {
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url,
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type,
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dataType: "json",
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contentType,
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async: isAsync,
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data,
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beforeSend,
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success,
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error,
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complete,
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}
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if (contentType == 'application/json') {
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options.data = JSON.stringify(data)
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}
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return $.ajax(options)
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}
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}
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```
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**通过js获取react组件，操作组件内部数据**
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```javascript
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function FindReact(dom, traverseUp = 0) {
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const key = Object.keys(dom).find(key => {
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return key.startsWith("__reactFiber$") // react 17+
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|| key.startsWith("__reactInternalInstance$"); // react <17
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});
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const domFiber = dom[key];
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if (domFiber == null) return null;
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// react <16
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if (domFiber._currentElement) {
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let compFiber = domFiber._currentElement._owner;
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for (let i = 0; i < traverseUp; i++) {
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compFiber = compFiber._currentElement._owner;
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}
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return compFiber._instance;
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}
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// react 16+
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const GetCompFiber = fiber => {
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let parentFiber = fiber.return;
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while (typeof parentFiber.type == "string") {
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parentFiber = parentFiber.return;
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}
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return parentFiber;
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};
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let compFiber = GetCompFiber(domFiber);
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for (let i = 0; i < traverseUp; i++) {
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compFiber = GetCompFiber(compFiber);
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}
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return compFiber.stateNode;
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}
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// 用法
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const someElement = document.getElementById("someElement");
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const myComp = FindReact(someElement);
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myComp.setState({test1: test2});
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```
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### 数据库
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**备份mysql数据库**
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> 维护人员： youHong.ai
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```shell
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mysqldump -uroot -p'passowrd' --single-transaction -R -E --databases ecology_dev> /tmp/ecology_dev_back.sql
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```
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### 后端
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