摘要：
printCodes(mode,len){ // 1: "上单码模式", // 2: "下单码模式", // 3: "双码模式", // 4: "上2下1码模式", // 5: "上1下2码模式", // 6: "四码模式", let code = '' let start = Date.now() 阅读全文
摘要：
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="wi 阅读全文