// 效果图 --------
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace Example39
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void Form1_Shown(object sender, EventArgs e)
{
this.Text = "根据标点符号对字符串进行分行显示";
}
private void btn_true_Click(object sender, EventArgs e)
{
StringBuilder P_stringbuilder = new StringBuilder(txt_string.Text); //创建字符串处理对象 减轻垃圾收集器的压力
for (int i = 0; i < P_stringbuilder.Length; i++)
{
if (P_stringbuilder[i] == ',')
{
P_stringbuilder.Insert(++i, Environment.NewLine); // 向字符串中添加换行符
}
}
txt_Lines.Text = P_stringbuilder.ToString();
}
}
}