有一条查询参数不确定的sql字符串,例如:select a as A,b as B,c as C from d
需要用java截取字符串中的所有别名放到集合中。急用,求速解
大话西游666
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慕桂英4014372
已经帮你实现了。String s = "select a as A,b as B,c as C from d ";char[] c = s.toCharArray();int count = 0; // 计数器for (char c1 : c) {if(c1 == 'a' && c[count+1] == 's'){//如果当前字符是a,并且下一个是sSystem.out.println(s.substring(count + 2 , count +4));//得到as后面第二个位置开始,第四个位置结束的值}count = count + 1;}