您即将离开腾讯云开发者社区,请注意您的账号财产安全
http://www.javathings.top/Java%25E7%259A%2584String.substring%25E6%2596%25B9%25E6%25B3%2595%25E6%259C%2589%25E4%25BB%2580%25E4%25B9%2588%25E9%2597%25AE%25E9%25A2%2598%25EF%25BC%259F
继续访问