mirror of
https://gitee.com/dromara/mayfly-go
synced 2026-04-15 08:45:19 +08:00
refactor: 前端文件夹名称调整
This commit is contained in:
meilin.huang
179
frontend/src/common/utils/string.ts
Normal file
179
frontend/src/common/utils/string.ts
Normal file
@@ -0,0 +1,179 @@
|
||||
import { v1 as uuidv1 } from 'uuid';
|
||||
import Clipboard from 'clipboard';
|
||||
import { ElMessage } from 'element-plus';
|
||||
|
||||
/**
|
||||
* 模板字符串解析，如：template = 'hahaha{name}_{id}' ,param = {name: 'hh', id: 1}
|
||||
* 解析后为 hahahahh_1
|
||||
* @param template 模板字符串
|
||||
* @param param 参数占位符
|
||||
* @returns
|
||||
*/
|
||||
export function templateResolve(template: string, param: any) {
|
||||
return template.replace(/\{\w+\}/g, (word) => {
|
||||
const key = word.substring(1, word.length - 1);
|
||||
const value = param[key];
|
||||
if (value != null || value != undefined) {
|
||||
return value;
|
||||
}
|
||||
return '';
|
||||
});
|
||||
}
|
||||
|
||||
// 首字符头像
|
||||
export function letterAvatar(name: string, size = 60, color = '') {
|
||||
name = name || '';
|
||||
size = size || 60;
|
||||
var colours = [
|
||||
'#1abc9c',
|
||||
'#2ecc71',
|
||||
'#3498db',
|
||||
'#9b59b6',
|
||||
'#34495e',
|
||||
'#16a085',
|
||||
'#27ae60',
|
||||
'#2980b9',
|
||||
'#8e44ad',
|
||||
'#2c3e50',
|
||||
'#f1c40f',
|
||||
'#e67e22',
|
||||
'#e74c3c',
|
||||
'#00bcd4',
|
||||
'#95a5a6',
|
||||
'#f39c12',
|
||||
'#d35400',
|
||||
'#c0392b',
|
||||
'#bdc3c7',
|
||||
'#7f8c8d',
|
||||
],
|
||||
nameSplit = String(name).split(' '),
|
||||
initials,
|
||||
charIndex,
|
||||
colourIndex,
|
||||
canvas,
|
||||
context,
|
||||
dataURI;
|
||||
|
||||
if (nameSplit.length == 1) {
|
||||
initials = nameSplit[0] ? nameSplit[0].charAt(0) : '?';
|
||||
} else {
|
||||
initials = nameSplit[0].charAt(0) + nameSplit[1].charAt(0);
|
||||
}
|
||||
if (window.devicePixelRatio) {
|
||||
size = size * window.devicePixelRatio;
|
||||
}
|
||||
initials = initials.toLocaleUpperCase();
|
||||
charIndex = (initials == '?' ? 72 : initials.charCodeAt(0)) - 64;
|
||||
colourIndex = charIndex % 20;
|
||||
canvas = document.createElement('canvas');
|
||||
canvas.width = size;
|
||||
canvas.height = size;
|
||||
context = canvas.getContext('2d') as any;
|
||||
|
||||
context.fillStyle = color ? color : colours[colourIndex - 1];
|
||||
context.fillRect(0, 0, canvas.width, canvas.height);
|
||||
context.font = Math.round(canvas.width / 2) + "px 'Microsoft Yahei'";
|
||||
context.textAlign = 'center';
|
||||
context.fillStyle = '#FFF';
|
||||
context.fillText(initials, size / 2, size / 1.5);
|
||||
dataURI = canvas.toDataURL();
|
||||
canvas = null;
|
||||
return dataURI;
|
||||
}
|
||||
|
||||
/**
|
||||
* 计算文本所占用的宽度（px） -> 该种方式较为准确
|
||||
* 使用span标签包裹内容，然后计算span的宽度 width： px
|
||||
* @param str
|
||||
*/
|
||||
export function getTextWidth(str: string) {
|
||||
let width = 0;
|
||||
let html = document.createElement('span');
|
||||
html.innerText = str;
|
||||
html.className = 'getTextWidth';
|
||||
document?.querySelector('body')?.appendChild(html);
|
||||
width = (document?.querySelector('.getTextWidth') as any).offsetWidth;
|
||||
document?.querySelector('.getTextWidth')?.remove();
|
||||
return width;
|
||||
}
|
||||
|
||||
/**
|
||||
*
|
||||
* @returns uuid
|
||||
*/
|
||||
export function randomUuid() {
|
||||
return uuidv1();
|
||||
}
|
||||
|
||||
/**
|
||||
* 拷贝文本至剪贴板
|
||||
* @param txt 需要拷贝到剪贴板的文本
|
||||
* @param selector click事件对应的元素selector，默认为 #copyValue
|
||||
* @returns
|
||||
*/
|
||||
export async function copyToClipboard(txt: string, selector: string = '#copyValue') {
|
||||
// navigator clipboard 需要https等安全上下文
|
||||
if (navigator.clipboard && window.isSecureContext) {
|
||||
// navigator clipboard 向剪贴板写文本
|
||||
try {
|
||||
// 拷贝单元格数据
|
||||
await navigator.clipboard.writeText(txt);
|
||||
ElMessage.success('复制成功');
|
||||
} catch (e: any) {
|
||||
ElMessage.error('复制失败');
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
let clipboard = new Clipboard(selector, {
|
||||
text: function () {
|
||||
return txt;
|
||||
},
|
||||
});
|
||||
clipboard.on('success', () => {
|
||||
ElMessage.success('复制成功');
|
||||
// 释放内存
|
||||
clipboard.destroy();
|
||||
});
|
||||
clipboard.on('error', () => {
|
||||
// 不支持复制
|
||||
ElMessage.error('该浏览器不支持自动复制');
|
||||
// 释放内存
|
||||
clipboard.destroy();
|
||||
});
|
||||
}
|
||||
|
||||
export function fuzzyMatchField(keyword: string, fields: any[], ...valueExtractFuncs: Function[]) {
|
||||
keyword = keyword?.toLowerCase();
|
||||
return fields.filter((field) => {
|
||||
for (let valueExtractFunc of valueExtractFuncs) {
|
||||
const value = valueExtractFunc(field)?.toLowerCase();
|
||||
if (isPrefixSubsequence(keyword, value)) {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
});
|
||||
}
|
||||
|
||||
/**
|
||||
* 匹配是否为前缀子序列 targetTemplate=username prefix=uname -> true，prefix=uname2 -> false
|
||||
* @param prefix 字符串前缀（不连续也可以,但不改变字符的相对顺序）
|
||||
* @param targetTemplate 目标模板
|
||||
* @returns 是否匹配
|
||||
*/
|
||||
export function isPrefixSubsequence(prefix: string, targetTemplate: string) {
|
||||
let i = 0; // 指向prefix的索引
|
||||
let j = 0; // 指向targetTemplate的索引
|
||||
|
||||
while (i < prefix.length && j < targetTemplate.length) {
|
||||
if (prefix[i] === targetTemplate[j]) {
|
||||
// 字符匹配，两个指针都向前移动
|
||||
i++;
|
||||
}
|
||||
j++; // 目标字符串指针始终向前移动
|
||||
}
|
||||
|
||||
// 如果prefix的所有字符都被找到，返回true
|
||||
return i === prefix.length;
|
||||
}
|
||||
Reference in New Issue
Block a user