1、移除
示例:
stringbuilder val=new stringbuilder (;
val.append(…);
val.remove(0,val.Length ); //清空
2、更换
stringbuilder val=new stringbuilder (;
val.append(…);
val.replace(val.tostring )、" "; //清空
3、长度
stringbuilder val=new stringbuilder (;
val.append(…);
val.Length=0; //清空