完善密码要求和操作数

pull/7/head
杨默涵 2 months ago
parent 5d2fcf0b35
commit ac0941b13f

@ -54,12 +54,13 @@ public class ChoiceQuestionGenerator {
*
*/
private Question generatePrimaryQuestion(int questionNumber) {
int a = MIN_OPERAND_VALUE + random.nextInt(MAX_OPERAND_VALUE);
int b = MIN_OPERAND_VALUE + random.nextInt(MAX_OPERAND_VALUE);
// 随机选择运算符号数量1-3个
int operatorCount = 1 + random.nextInt(3);
String operation = getRandomOperation("+*-");
String questionText = String.format("%d %s %d = ?", a, operation, b);
int correctAnswer = calculate(a, b, operation);
// 生成复合运算表达式
String[] expression = generateCompoundExpression(operatorCount);
String questionText = expression[0];
int correctAnswer = Integer.parseInt(expression[1]);
// 生成错误选项
List<Integer> options = generateWrongOptions(correctAnswer);
@ -79,11 +80,15 @@ public class ChoiceQuestionGenerator {
*
*/
private Question generateJuniorQuestion(int questionNumber) {
int a = MIN_OPERAND_VALUE + random.nextInt(MAX_OPERAND_VALUE);
// 随机选择运算符号数量1-3个
int operatorCount = 1 + random.nextInt(3);
// 50%概率生成平方或开方题目
// 30%概率生成平方/开方题目70%概率生成复合运算题目
if (random.nextDouble() < 0.3) {
// 生成平方或开方题目
if (random.nextBoolean()) {
// 平方题目
int a = MIN_OPERAND_VALUE + random.nextInt(MAX_OPERAND_VALUE);
String questionText = String.format("%d² = ?", a);
int correctAnswer = a * a;
List<Integer> options = generateWrongOptions(correctAnswer);
@ -106,6 +111,25 @@ public class ChoiceQuestionGenerator {
options.add(correctAnswer);
Collections.shuffle(options);
return new Question(questionText,
String.valueOf(options.get(0)),
String.valueOf(options.get(1)),
String.valueOf(options.get(2)),
String.valueOf(options.get(3)),
String.valueOf(correctAnswer),
questionNumber);
}
} else {
// 生成复合运算表达式(包含除法)
String[] expression = generateCompoundExpressionWithDivision(operatorCount);
String questionText = expression[0];
int correctAnswer = Integer.parseInt(expression[1]);
// 生成错误选项
List<Integer> options = generateWrongOptions(correctAnswer);
options.add(correctAnswer);
Collections.shuffle(options);
return new Question(questionText,
String.valueOf(options.get(0)),
String.valueOf(options.get(1)),
@ -120,7 +144,12 @@ public class ChoiceQuestionGenerator {
*
*/
private Question generateSeniorQuestion(int questionNumber) {
// 使用常见角度: 0°, 30°, 45°, 60°, 90°, 120°, 135°, 150°, 180°, 210°, 225°, 270°, 300°, 315°, 330°
// 随机选择运算符号数量1-3个
int operatorCount = 1 + random.nextInt(3);
// 40%概率生成三角函数题目60%概率生成复合运算题目
if (random.nextDouble() < 0.4) {
// 生成三角函数题目
int[] commonAngles = {0, 30, 45, 60, 90, 120, 135, 150, 180, 210, 225, 270, 300, 315, 330};
int angle = commonAngles[random.nextInt(commonAngles.length)];
String[] functions = {"sin", "cos", "tan"};
@ -144,6 +173,25 @@ public class ChoiceQuestionGenerator {
options.get(3),
correctAnswer,
questionNumber);
} else {
// 生成复合运算表达式(包含更复杂的运算)
String[] expression = generateAdvancedCompoundExpression(operatorCount);
String questionText = expression[0];
int correctAnswer = Integer.parseInt(expression[1]);
// 生成错误选项
List<Integer> options = generateWrongOptions(correctAnswer);
options.add(correctAnswer);
Collections.shuffle(options);
return new Question(questionText,
String.valueOf(options.get(0)),
String.valueOf(options.get(1)),
String.valueOf(options.get(2)),
String.valueOf(options.get(3)),
String.valueOf(correctAnswer),
questionNumber);
}
}
/**
@ -356,6 +404,246 @@ private double calculateTrigFunction(String function, int angle) {
}
/**
*
* @param operatorCount 1-3
* @return [, ]
*/
private String[] generateCompoundExpression(int operatorCount) {
StringBuilder expression = new StringBuilder();
List<Integer> operands = new ArrayList<>();
List<String> operators = new ArrayList<>();
// 生成操作数(运算符数量+1个操作数
for (int i = 0; i <= operatorCount; i++) {
operands.add(MIN_OPERAND_VALUE + random.nextInt(MAX_OPERAND_VALUE));
}
// 生成运算符
String[] availableOps = {"+", "-", "*"};
for (int i = 0; i < operatorCount; i++) {
operators.add(availableOps[random.nextInt(availableOps.length)]);
}
// 构建表达式字符串
expression.append(operands.get(0));
for (int i = 0; i < operatorCount; i++) {
expression.append(" ").append(operators.get(i)).append(" ").append(operands.get(i + 1));
}
expression.append(" = ?");
// 计算表达式结果
int result = calculateCompoundExpression(operands, operators);
return new String[]{expression.toString(), String.valueOf(result)};
}
/**
*
*/
private String[] generateCompoundExpressionWithDivision(int operatorCount) {
StringBuilder expression = new StringBuilder();
List<Integer> operands = new ArrayList<>();
List<String> operators = new ArrayList<>();
// 生成操作数(运算符数量+1个操作数
for (int i = 0; i <= operatorCount; i++) {
operands.add(MIN_OPERAND_VALUE + random.nextInt(MAX_OPERAND_VALUE));
}
// 生成运算符(包含除法)
String[] availableOps = {"+", "-", "*", "/"};
for (int i = 0; i < operatorCount; i++) {
operators.add(availableOps[random.nextInt(availableOps.length)]);
}
// 构建表达式字符串
expression.append(operands.get(0));
for (int i = 0; i < operatorCount; i++) {
expression.append(" ").append(operators.get(i)).append(" ").append(operands.get(i + 1));
}
expression.append(" = ?");
// 计算表达式结果
int result = calculateCompoundExpressionWithDivision(operands, operators);
return new String[]{expression.toString(), String.valueOf(result)};
}
/**
*
*/
private int calculateCompoundExpression(List<Integer> operands, List<String> operators) {
// 先处理乘除法,再处理加减法
List<Integer> numbers = new ArrayList<>(operands);
List<String> ops = new ArrayList<>(operators);
// 第一轮:处理乘除法
for (int i = 0; i < ops.size(); i++) {
if (ops.get(i).equals("*")) {
int result = numbers.get(i) * numbers.get(i + 1);
numbers.set(i, result);
numbers.remove(i + 1);
ops.remove(i);
i--; // 调整索引
}
}
// 第二轮:处理加减法
int result = numbers.get(0);
for (int i = 0; i < ops.size(); i++) {
if (ops.get(i).equals("+")) {
result += numbers.get(i + 1);
} else if (ops.get(i).equals("-")) {
result -= numbers.get(i + 1);
}
}
return result;
}
/**
*
*/
private String[] generateAdvancedCompoundExpression(int operatorCount) {
StringBuilder expression = new StringBuilder();
List<Integer> operands = new ArrayList<>();
List<String> operators = new ArrayList<>();
// 生成操作数(运算符数量+1个操作数
for (int i = 0; i <= operatorCount; i++) {
operands.add(MIN_OPERAND_VALUE + random.nextInt(MAX_OPERAND_VALUE));
}
// 生成运算符(包含平方运算)
String[] availableOps = {"+", "-", "*", "/", "²"};
for (int i = 0; i < operatorCount; i++) {
operators.add(availableOps[random.nextInt(availableOps.length)]);
}
// 构建表达式字符串
expression.append(operands.get(0));
for (int i = 0; i < operatorCount; i++) {
if (operators.get(i).equals("²")) {
expression.append("²");
} else {
expression.append(" ").append(operators.get(i)).append(" ").append(operands.get(i + 1));
}
}
expression.append(" = ?");
// 计算表达式结果
int result = calculateAdvancedCompoundExpression(operands, operators);
return new String[]{expression.toString(), String.valueOf(result)};
}
/**
*
*/
private int calculateCompoundExpressionWithDivision(List<Integer> operands, List<String> operators) {
// 先处理乘除法,再处理加减法
List<Integer> numbers = new ArrayList<>(operands);
List<String> ops = new ArrayList<>(operators);
// 第一轮:处理乘除法
for (int i = 0; i < ops.size(); i++) {
if (ops.get(i).equals("*")) {
int result = numbers.get(i) * numbers.get(i + 1);
numbers.set(i, result);
numbers.remove(i + 1);
ops.remove(i);
i--; // 调整索引
} else if (ops.get(i).equals("/")) {
if (numbers.get(i + 1) != 0) {
int result = numbers.get(i) / numbers.get(i + 1);
numbers.set(i, result);
numbers.remove(i + 1);
ops.remove(i);
i--; // 调整索引
} else {
// 避免除零错误,重新生成
numbers.set(i + 1, 1 + random.nextInt(MAX_OPERAND_VALUE));
int result = numbers.get(i) / numbers.get(i + 1);
numbers.set(i, result);
numbers.remove(i + 1);
ops.remove(i);
i--; // 调整索引
}
}
}
// 第二轮:处理加减法
int result = numbers.get(0);
for (int i = 0; i < ops.size(); i++) {
if (ops.get(i).equals("+")) {
result += numbers.get(i + 1);
} else if (ops.get(i).equals("-")) {
result -= numbers.get(i + 1);
}
}
return result;
}
/**
*
*/
private int calculateAdvancedCompoundExpression(List<Integer> operands, List<String> operators) {
// 先处理平方运算
List<Integer> numbers = new ArrayList<>(operands);
List<String> ops = new ArrayList<>(operators);
// 第一轮:处理平方运算
for (int i = 0; i < ops.size(); i++) {
if (ops.get(i).equals("²")) {
int result = numbers.get(i) * numbers.get(i);
numbers.set(i, result);
ops.remove(i);
i--; // 调整索引
}
}
// 第二轮:处理乘除法
for (int i = 0; i < ops.size(); i++) {
if (ops.get(i).equals("*")) {
int result = numbers.get(i) * numbers.get(i + 1);
numbers.set(i, result);
numbers.remove(i + 1);
ops.remove(i);
i--; // 调整索引
} else if (ops.get(i).equals("/")) {
if (numbers.get(i + 1) != 0) {
int result = numbers.get(i) / numbers.get(i + 1);
numbers.set(i, result);
numbers.remove(i + 1);
ops.remove(i);
i--; // 调整索引
} else {
// 避免除零错误,重新生成
numbers.set(i + 1, 1 + random.nextInt(MAX_OPERAND_VALUE));
int result = numbers.get(i) / numbers.get(i + 1);
numbers.set(i, result);
numbers.remove(i + 1);
ops.remove(i);
i--; // 调整索引
}
}
}
// 第三轮:处理加减法
int result = numbers.get(0);
for (int i = 0; i < ops.size(); i++) {
if (ops.get(i).equals("+")) {
result += numbers.get(i + 1);
} else if (ops.get(i).equals("-")) {
result -= numbers.get(i + 1);
}
}
return result;
}
/**
*
*/

@ -1,2 +1,2 @@
wgll|123456|ymhlovesLQX@163.com|小学|1760162416490
wgll|Ymh123456|ymhlovesLQX@163.com|小学|1760162416490
666|123456789|252436951@qq.com|小学|1760166999971

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