一、类图
二、代码
package application;
public class Commission { /* * hp：耳机 80元 mpc：手机壳 10元 cpsp：手机贴膜 8元 */ public float calculate(String line) { int hp = 0, mpc = 0, cpsp = 0; String[] input = null; float money = 0; while (true) { // 【去掉字符串前后的空格】 line = line.trim(); // 【去掉字符串中多余的空格】 line = line.replaceAll("\\s{1,}", " "); input = line.split(" "); if (Judge(input)) { // 判断是否不小于0 if ((hp = Integer.parseInt(input[0])) < 0) { System.out.println("输入数量不满足要求"); return -1; } if ((mpc = Integer.parseInt(input[1])) < 0) { System.out.println("输入数量不满足要求"); return -1; } if ((cpsp = Integer.parseInt(input[2])) < 0) { System.out.println("输入数量不满足要求"); return -1; } } else { System.out.println("输入数量不满足要求"); return -1; } money = commission(hp, mpc, cpsp); return money; } } // 计算佣金 private static float commission(int hp, int mpc, int cpsp) { float commission = 0; int total = hp * 80 + mpc * 10 + cpsp * 8; if (total < 1000) { commission = (float) (total * 0.1); } else if (total <= 1800) { commission = (float) (1000 * 0.1 + (total - 1000) * 0.15); } else { commission = (float) (1000 * 0.1 + 800 * 0.15 + (total - 1800) * 0.2); } return commission; } // 判断用户输入的是不是三个整数 private static boolean Judge(String[] input) { String number = "0123456789"; // 判断输入的是不是三个字符串 if (input.length != 3) { return false; } // 判断三个字符串是不是纯数字且不含小数点 for (int i = 0; i < 3; i++) { for (int j = 0; j < input[i].length(); j++) { if ("+".equals(String.valueOf(input[i].charAt(0))) || "-".equals(String.valueOf(input[i].charAt(0)))) { if ("+".equals(String.valueOf(input[i].charAt(0)))) { input[i].substring(1); } continue; } if (number.indexOf(input[i].charAt(j)) == -1) { return false; } // 【判断输入的字符串是否大于整型的最大数值】 input[i] = input[i].replaceFirst("^0*", ""); if (Long.parseLong(input[i]) > Integer.MAX_VALUE || input[i].length() > 10) { return false; } } } return true; }}package application;import javafx.application.Application;import javafx.fxml.FXMLLoader;import javafx.scene.Parent;import javafx.scene.Scene;import javafx.stage.Stage;public class Main extends Application { @Override public void start(Stage primaryStage) { try { Parent root = FXMLLoader.load(getClass().getResource("Main.fxml")); primaryStage.setTitle("Calculate Commission"); primaryStage.setScene(new Scene(root)); primaryStage.show(); } catch (Exception e) { e.printStackTrace(); } } public static void main(String[] args) { launch(args); }}<?xml version="1.0" encoding="UTF-8"?>
<?import javafx.scene.control.*?>
<?import javafx.scene.text.*?><?import java.lang.*?><?import javafx.scene.layout.*?><?import javafx.scene.layout.AnchorPane?><AnchorPane prefHeight="278.0" prefWidth="399.0"
xmlns="http://javafx.com/javafx/8" xmlns:fx="http://javafx.com/fxml/1" fx:controller="application.MainController"> <children> <Text layoutX="14.0" layoutY="32.0" strokeType="OUTSIDE" strokeWidth="0.0" text="请输入销售数量" wrappingWidth="165.240234375"> <font> <Font size="18.0" /> </font> </Text> <Text layoutX="14.0" layoutY="73.0" strokeType="OUTSIDE" strokeWidth="0.0" text="耳机："> <font> <Font size="16.0" /> </font> </Text> <Text layoutX="147.0" layoutY="73.0" strokeType="OUTSIDE" strokeWidth="0.0" text="手机壳："> <font> <Font size="16.0" /> </font> </Text> <Text layoutX="289.0" layoutY="72.0" strokeType="OUTSIDE" strokeWidth="0.0" text="贴膜："> <font> <Font size="16.0" /> </font> </Text> <TextField fx:id="TF_hp" layoutX="62.0" layoutY="53.0" prefHeight="23.0" prefWidth="48.0"> <font> <Font size="13.0" /> </font> </TextField> <TextField fx:id="TF_mpc" layoutX="214.0" layoutY="52.0" prefHeight="23.0" prefWidth="48.0"> <font> <Font size="13.0" /> </font> </TextField> <TextField fx:id="TF_cpsp" layoutX="337.0" layoutY="52.0" prefHeight="23.0" prefWidth="48.0"> <font> <Font size="13.0" /> </font> </TextField> <Button layoutX="99.0" layoutY="90.0" mnemonicParsing="false" onAction="#BT_OK_Event" prefHeight="28.0" prefWidth="64.0" text="OK" AnchorPane.bottomAnchor="164.0" AnchorPane.topAnchor="91.0"> <font> <Font size="13.0" /> </font> </Button> <Button layoutX="236.0" layoutY="90.0" mnemonicParsing="false" onAction="#BT_Cancel_Event" prefHeight="28.0" prefWidth="64.0" text="Cancel" AnchorPane.bottomAnchor="164.0" AnchorPane.topAnchor="91.0"> <font> <Font size="13.0" /> </font> </Button> <Text layoutX="38.0" layoutY="155.0" strokeType="OUTSIDE" strokeWidth="0.0" text="应返还的佣金："> <font> <Font size="16.0" /> </font> </Text> <Text layoutX="38.0" layoutY="195.0" strokeType="OUTSIDE" strokeWidth="0.0" text="销售额最高的配件是："> <font> <Font size="16.0" /> </font> </Text> <Text layoutX="38.0" layoutY="235.0" strokeType="OUTSIDE" strokeWidth="0.0" text="销售配件最多与最少数量相差："> <font> <Font size="16.0" /> </font> </Text> <TextField fx:id="TF_commission" layoutX="156.0" layoutY="135.0" prefHeight="28.0" prefWidth="203.0"> <font> <Font size="13.0" /> </font> </TextField> <TextField fx:id="TF_MostSale" layoutX="199.0" layoutY="175.0" prefHeight="28.0" prefWidth="160.0"> <font> <Font size="13.0" /> </font> </TextField> <TextField fx:id="TF_MaxMin" layoutX="269.0" layoutY="215.0" prefHeight="28.0" prefWidth="91.0"> <font> <Font size="13.0" /> </font> </TextField> </children></AnchorPane>三、运行截图
4、结果截图
