string.format

[igis]

一个字符串"aa,bb,cc,dd"
如何用 string.format 变成: 条件=aa or 条件=bb or 条件=cc or 条件=dd
上面字符串例子是4个，这个是不确认的，有可能2个，有可能5个等。

[bdmh]

你要先把字符串加点东西，如下

            string str = "{0}aa{1}{0}bb{0}{1}{0}cc{0}{1}dd";
            str = string.Format(str, "条件=", " or ");

[ViewStates]

string Make(string format,string splitContainer,params string[] targets)
{
StringBuilder sb=new Stringbuilder();
for(int i=0;i<targets.Length;i++)
{
sb.AppendFormat(format,targets[i]);
if(i<targets.Length-1)
{
sb.Append(splitContainer);
}
}
return sb.ToString();
}

string[] targets=new string[]{"aa","bb","cc","dd"};
Console.WriteLine(Make("条件={0}"," or ",targets));

[51Crack]

直接替换吧
str="aa,bb,cc,dd";
str="条件=" + str.replace(","," or 条件=")

[王子文龙]

            string str = "aa,bb,cc,dd";
            string[] strArry = str.Split(new char[] { ','});
            string result = "";
            foreach (string s in strArry)
            {
                result += String.Format("条件={0}or",s);
            }
            result=result.Substring(0,result.LastIndexOf("or"));