函数return 多值
Function return multiple value
我这里有这个修改后的代码,如何传递参数?
function RNG(min, max) {
return Math.floor(Math.random() * (max - min + 1)) + min;
}
function RCG() {
var char = "ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890";
var randomNumber = RNG(0, char.length - 1);
return char[randomNumber];
}
function Generator(n) {
var serialNumber;
var template = "0000-0000-0000-0000";
if (template != null) {
for (var i = 0; i < template.length; i++) {
var templateChar = template[i];
serialNumber += templateChar == "0" ? RCG() : templateChar;
}
}
return serialNumber;
}
console.log(Generator(5));
所以当我输入 3 作为参数时,结果将是这样的:
asda-asda-asda-asda
asda-asda-asda-asda
asda-asda-asda-asda
我想你问的是能够从你的方法中 return 其中 5 个 UUID?
我已将您的生成器修改为 return UUID 数组
function Generator(n) {
var template = "0000-0000-0000-0000";
var res = []; // declare an empty array
if (template != null) {
for (var j = 0; j < n; j++){
var serialNumber = "";
for (var i = 0; i < template.length; i++) {
var templateChar = template[i];
serialNumber += templateChar == "0" ? RCG() : templateChar;
}
res.push(serialNumber); // add uuid in the array
}
}
return res; // return the array
}
输出:
["1MYK-G2BB-YPG4-UYHU", "PWW1-6297-2VJX-56F2", "5U5B-A40D-9V43-WC6Y", "FQHQ-BU6A-CDS8-Y2J7", "23WK-1ASP-YA5Z-TS0R"]
我这里有这个修改后的代码,如何传递参数?
function RNG(min, max) {
return Math.floor(Math.random() * (max - min + 1)) + min;
}
function RCG() {
var char = "ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890";
var randomNumber = RNG(0, char.length - 1);
return char[randomNumber];
}
function Generator(n) {
var serialNumber;
var template = "0000-0000-0000-0000";
if (template != null) {
for (var i = 0; i < template.length; i++) {
var templateChar = template[i];
serialNumber += templateChar == "0" ? RCG() : templateChar;
}
}
return serialNumber;
}
console.log(Generator(5));
所以当我输入 3 作为参数时,结果将是这样的:
asda-asda-asda-asda
asda-asda-asda-asda
asda-asda-asda-asda
我想你问的是能够从你的方法中 return 其中 5 个 UUID?
我已将您的生成器修改为 return UUID 数组
function Generator(n) {
var template = "0000-0000-0000-0000";
var res = []; // declare an empty array
if (template != null) {
for (var j = 0; j < n; j++){
var serialNumber = "";
for (var i = 0; i < template.length; i++) {
var templateChar = template[i];
serialNumber += templateChar == "0" ? RCG() : templateChar;
}
res.push(serialNumber); // add uuid in the array
}
}
return res; // return the array
}
输出:
["1MYK-G2BB-YPG4-UYHU", "PWW1-6297-2VJX-56F2", "5U5B-A40D-9V43-WC6Y", "FQHQ-BU6A-CDS8-Y2J7", "23WK-1ASP-YA5Z-TS0R"]