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- export class StringUtil {
-
- /**小数转成保留几位小数的字符串*/
- public static ToFixed(s:number,count:number):string{
- return s.toFixed(count).toString();
- }
-
- /**秒转成 00:00时间格式*/
- public static ToTimeString(s:number):string{
- s = Math.floor(s);
- let m = Math.floor(s/60);
- s=s-m*60;
- let mm=m.toString();
- if(mm.length<=1){
- mm = "0".concat(mm);
- }
- if(s<10){
- return `${mm}:${"0".concat(s.toString())}`;
- }
- return `${mm}:${s}`;
- }
- /**秒*/
- public static ToSce(s:number,u:string="s"):string{
- s = Math.floor(s);
- return `${s}${u}`;
- }
- /**货币值转字符 */
- public static ToMoneyString(n:number):string{
- if(n>1000000){
- let m=Math.floor(n*0.000001);
- n-=m*1000000;
- if(n>1000){
- return `${m}M${Math.floor(n*0.001)}K`;
- }
- return `${m}M`;
- }else if(n>1000){
- let m=Math.floor(n*0.001);
- n-=m*1000;
- if(n>100){
- n=Math.floor(n*0.01);
- return `${m}K${n}`;
- }
- return `${m}K`;
- }
- return n.toString();
- }
- /**毫秒转秒显示*/
- public static MS2S(ms:number):string{
- return (ms*0.001).toFixed(1);
- }
- /**
- * 去掉前后空格
- * @param str
- * @returns {string}
- */
- public trimSpace(str: string): string {
- return str.replace(/^\s*(.*?)[\s\n]*$/g, '$1');
- }
- /**
- * 获取字符串长度,中文为2
- * @param str
- */
- public getStringLength(str: string): number {
- var strArr = str.split("");
- var length = 0;
- for (var i = 0; i < strArr.length; i++) {
- var s = strArr[i];
- if (this.isChinese(s)) {
- length += 2;
- } else {
- length += 1;
- }
- }
- return length;
- }
- /**
- * 判断一个字符串是否包含中文
- * @param str
- * @returns {boolean}
- */
- public isChinese(str: string): boolean {
- var reg = /^.*[\u4E00-\u9FA5]+.*$/;
- return reg.test(str);
- }
- /**
- * 格式化字符串 "{0},{1}.format("text0","text1")
- */
- public format(val: string, ...param: any[]): string {
- for (let i = 0, len = param.length; i < len; i++) {
- let reg = new RegExp("({)" + i + "(})", "g");
- val = val.replace(reg, param[i]);
- }
- return val;
- }
- }
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