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先前用那个代码不走样说要审核,我这里不用那个来发代码

import javax.swing.JFrame;

import javax.swing.JPanel;

import javax.swing.border.EmptyBorder;

import javax.swing.JTextField;

import java.awt.GridLayout;

import javax.swing.JButton;

import java.awt.Color;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.util.ArrayList;

import java.util.List; public class CalculaterYYWF extends JFrame {

private JPanel contentPane;

private JTextField textField;

private List listSign = new ArrayList();

private List listNum = new ArrayList(); public static void main(String[] args) {

new CalculaterYYWF();

} public CalculaterYYWF() {

setResizable(false);

setBackground(new Color(240, 255, 240));

setTitle("有猿无粉牌计算器");

setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

setBounds(100, 100, 265, 375);

contentPane = new JPanel();

contentPane.setBackground(new Color(224, 255, 255));

contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));

setContentPane(contentPane);

contentPane.setLayout(null);

textField = new JTextField();

textField.setBounds(10, 10, 237, 44);

contentPane.add(textField);

textField.setColumns(10);

JPanel panel = new JPanel();

panel.setBackground(new Color(224, 255, 255));

panel.setBounds(10, 64, 237, 273);

contentPane.add(panel);

panel.setLayout(new GridLayout(5, 4, 5, 5));

String stmp = "123+456-789*0.%/()";

for (int i = 0; i < 18; i++) {

JButton j = new JButton(String.valueOf(stmp.charAt(i)));

j.setActionCommand(j.getText());

panel.add(j);

j.addActionListener(new ActionListener() {

@Override

public void actionPerformed(ActionEvent e) {

textField.setText(textField.getText().trim()

+ e.getActionCommand());

}

});

}

JButton bt_clear = new JButton("C");

panel.add(bt_clear);

bt_clear.addActionListener(new ActionListener() {

@Override

public void actionPerformed(ActionEvent e) {

textField.setText("");

}

});

JButton bt_deng = new JButton("=");

panel.add(bt_deng);

bt_deng.addActionListener(new ActionListener() {

@Override

public void actionPerformed(ActionEvent e) {

String expression = textField.getText();

bracketResolve(expression);

}

});

setVisible(true);

} // 逐层消括号并计算

public void bracketResolve(String exp) {

String strjs = convertString(exp);

try {

int zkh = -1; // 要处理的括号对中左括号的位置

while ((zkh = strjs.lastIndexOf("(")) != -1) {// 每次循环处理--最里面--的哪对括号

StringBuffer str = new StringBuffer(strjs);// 存要处理的括号对里面的内容

StringBuffer str1 = new StringBuffer(strjs);// 存运算式字符串剪去处理的括号对后左边的内容

StringBuffer str2 = new StringBuffer(strjs);// 存运算式字符串剪去处理的括号对后右边的内容

str.delete(0, zkh + 1);// delete方法中end位置上的元素没有删

str1.delete(zkh, str1.length());

int ykh = str.indexOf(")");// 在最后面左括号的右边,距离左括号最近的右括号的位置(最里面的那对括号)

str.delete(ykh, str.length());

str2.delete(0, zkh + ykh + 2);// 一对括号占两位置,还有删除的最后一位加1

Double tmp = operation(new String(str));// 计算这对括号里的表达式的值

strjs = new String(str1.toString() + String.valueOf(tmp)

+ str2.toString());// 消去一对括号,重新构建表达式,循环递归处理所有的括号.

}

Double result = operation(strjs);// 分解到没有括号存在时候,进行最后一次计算.

textField.setText(String.valueOf(result));

} catch (Exception e) {

expIrregularities();// 对其他所有没考虑到的情况统一处理

} }