32 lines
811 B
TypeScript
32 lines
811 B
TypeScript
export default class HaoEncrypt {
|
||
public static encode(str: string) {
|
||
let result: string = ''
|
||
for (let i = 0; i < str.length; i++) {
|
||
//遍历字符串
|
||
let code: number = str.charCodeAt(i) // //逐个提取每个字符，并获取Unicode编码值
|
||
if (i % 2 == 0) {
|
||
code += 2
|
||
} else {
|
||
code += 1
|
||
}
|
||
result += String.fromCharCode(code)
|
||
}
|
||
return result
|
||
}
|
||
|
||
public static decode(str: string) {
|
||
let result: string = ''
|
||
for (let i = 0; i < str.length; i++) {
|
||
//遍历字符串
|
||
let code: number = str.charCodeAt(i) // //逐个提取每个字符，并获取Unicode编码值
|
||
if (i % 2 == 0) {
|
||
code -= 2
|
||
} else {
|
||
code -= 1
|
||
}
|
||
result += String.fromCharCode(code)
|
||
}
|
||
return result
|
||
}
|
||
}
|