Response.Write后页面刷新字体变大

本文介绍了一种在 ASP.NET 中使用 Response.Write 显示弹窗提示后刷新页面的方法,并提供了一个改进方案,通过 Page.RegisterStartupScript 实现相同功能但避免了页面字体变大的问题。

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Response.Write("<script>alert('成功!')</script>");

完成后页面刷新,页面字体变大。

解决方法:

改写为Page.RegisterStartupScript("ServiceManHistoryButtonClick", "<script>alert('成功!');</script>");

上面第一个参数随便起,不要重复即可.

public void exportRealtimeData(@RequestBody TrainingClass trainingClass, HttpServletResponse response) throws IOException { try { List<TrainingClassVo> list = classService.exportRealtimeData(trainingClass); if (list == null || list.isEmpty()) { return; } String fileName = "实时房态总览"; response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"); response.setCharacterEncoding("UTF-8"); String encodedFileName = URLEncoder.encode(fileName, "UTF-8").replaceAll("\\+", "%20"); response.setHeader("Content-disposition", "attachment;filename*=UTF-8''" + encodedFileName + ".xlsx"); try (Workbook workbook = new XSSFWorkbook()) { Sheet sheet = workbook.createSheet("Sheet1"); int rowIndex = 0; // ===== 创建表头 ===== Row row0 = sheet.createRow(rowIndex++); // 第一行表头 Row row1 = sheet.createRow(rowIndex++); // 第二行表头 // 固定列的表头 int colIndex = 0; String[] fixedHeaders = { "需求部门", "班级", "预定订房日期", "确定订房日期", "培训管理员" }; // 创建固定列的表头(合并两行) for (String header : fixedHeaders) { row0.createCell(colIndex).setCellValue(header); sheet.addMergedRegion(new CellRangeAddress(0, 1, colIndex, colIndex)); colIndex++; } // 获取日期范围 String[] dates = classService.getDateRange( trainingClass.getClassStartTime(), trainingClass.getClassEndTime() ); // 第一行:创建日期列(每个日期占两列) int dateStartCol = colIndex; // 记录日期区域起始列 for (String date : dates) { row0.createCell(colIndex).setCellValue(date); // 合并当前日期的两个列 sheet.addMergedRegion(new CellRangeAddress(0, 0, colIndex, colIndex + 1)); colIndex += 2; } // 第二行:为每个日期创建"预定数"和"确定数"子列 int dateCol = dateStartCol; // 从日期区域起始列开始 for (int i = 0; i < dates.length; i++) { row1.createCell(dateCol).setCellValue("预定数"); row1.createCell(dateCol + 1).setCellValue("确定数"); dateCol += 2; } // ===== 填充数据 ===== for (TrainingClassVo record : list) { Row dataRow = sheet.createRow(rowIndex++); int dataCol = 0; // 填充固定列数据 dataRow.createCell(dataCol++).setCellValue(record.getClassDepartmentName()); dataRow.createCell(dataCol++).setCellValue(record.getClassName()); dataRow.createCell(dataCol++).setCellValue(record.getClassBookTime()); dataRow.createCell(dataCol++).setCellValue(record.getClassConfirmTime()); dataRow.createCell(dataCol++).setCellValue(record.getClassAdminName()); for (String date : dates) { // 获取预定数 Object intentObj = record.get(date + "_intent"); int intentValue = 0; if (intentObj instanceof Number) { intentValue = ((Number) intentObj).intValue(); } dataRow.createCell(dataCol++).setCellValue(intentValue); // 获取确定数 Object confirmObj = record.get(date + "_confirm"); int confirmValue = 0; if (confirmObj instanceof Number) { confirmValue = ((Number) confirmObj).intValue(); } dataRow.createCell(dataCol++).setCellValue(confirmValue); } } workbook.write(response.getOutputStream()); response.getOutputStream().flush(); // 确保输出流刷新 } catch (Exception e) { log.error("生成excel文件异常:{}", e.getMessage()); response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR); response.getWriter().write("生成Excel文件失败: " + e.getMessage()); } } catch (Exception e) { log.error("导出实时房态总览异常:{}", e.getMessage()); response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR); response.getWriter().write("导出失败: " + e.getMessage()); } }这个方法可以正常输出excel文件了。list中存在小计数据,小计一般会把固定列合并单元格,并输出需求部门+"合计"的形式,其他相同,如何修改代码使其支持小计?小计的特征是index不是数字。
最新发布
07-10
//---------------------------------------------- //EDA-Robot(180度舵机版本) //CodeVersion:V1.1 //---------------导入库-------------------------- #include <Arduino.h> #include <Arduino.h> #include <Servo.h> #include <U8g2lib.h> #include <Wire.h> #include <FS.h> #include <ESP8266WiFi.h> #include <ESPAsyncWebServer.h> #include <ESP8266HTTPClient.h> #include <NTPClient.h> #include <ArduinoJson.h> #include <WiFiUdp.h> #include "image.cpp" //---------------按键部分-------------------------- #define BUTTON_PIN 2 // GPIO2 引脚 (D4) #define BUTTON_PIN2 15 volatile bool buttonPressed = false; // 按键标志 volatile bool buttonPressed2 = false; // 按键标志 unsigned long lastPressTime = 0; // 上次按键时间 const unsigned long debounceDelay = 50; // 消抖时间 (ms) unsigned long lastPressTime2 = 0; // 上次按键时间 const unsigned long debounceDelay2 = 50; // 消抖时间 (ms) //---------------ADC部分-------------------------- const float voltageDividerRatio = 8.4; // 分压比(8.4倍缩小) const float minVoltage = 6.4; // 电压为0%时 const float maxVoltage = 8.4; // 电压为100%时 const int numSamples = 10;//定义采用次数 float batteryVoltage = 0; // 计算电池电压 int batteryPercentage = 0;//电量百分比 //---------------舵机部分-------------------------- Servo servo1;//声明舵机1 Servo servo2;//声明舵机2 Servo servo3;//声明舵机3 Servo servo4;//声明舵机4 int engine1 = 14; // 舵机1引脚 int engine2 = 16; // 舵机2引脚 int engine3 = 12; // 舵机3引脚 int engine4 = 13; // 舵机4引脚 //---------------屏幕部分-------------------------- U8G2_SSD1306_128X64_NONAME_1_HW_I2C u8g2(U8G2_R0, /* reset=*/U8X8_PIN_NONE, /* clock=*/5, /* data=*/4); // 使用SSD1306屏幕驱动,时钟引脚5,数据引脚4 //---------------网络部分-------------------------- const char *ssid = "EDA-Robot";//WIFI名称 const char *password = ""; // 无密码 AsyncWebServer server(80);//设置服务器端口 WiFiUDP ntpUDP;//声明UDP NTPClient timeClient(ntpUDP, "ntp1.aliyun.com", 8 * 3600, 60000);//配置NTP服务器 //---------------API部分-------------------------- const char *weatherAPI = "http://api.seniverse.com/v3/weather/daily.json?key=";//心知天气API地址 String temperature = "";//天气温度 String humidity = "";//天气湿度 String weather = "";//天气 String cityname = "";//城市名称 String weatherapi = "";//心知天气API密钥 //---------------标签部分-------------------------- bool initweather = false; // 天气初始化 bool freestate = false;//自由模式标签 int prevEmojiState = -1; // 用于跟踪之前的 emojiState int actionstate = 0;//活动状态标签 int emojiState = 0; // 表情状态标签 //---------------文件系统部分-------------------------- const char *ssidFile = "/ssid.json";//配置存储文件名及路径 //---------------按键中断部分-------------------------- void ICACHE_RAM_ATTR handleButtonPress() { unsigned long currentTime = millis();// 获取当前系统运行时间(单位:毫秒) if (currentTime - lastPressTime > debounceDelay) // 检查按钮1是否满足去抖条件(避免机械抖动导致的误触发) { buttonPressed = true; // 设置按钮1按下标志位 lastPressTime = currentTime; // 更新按钮1的最后有效按下时间 } unsigned long currentTime2 = millis();// 获取当前时间 if (currentTime2 - lastPressTime2 > debounceDelay2)// 检查按钮2的去抖条件(使用独立的去抖时间和记录变量) { buttonPressed2 = true; // 设置按钮2按下标志位 lastPressTime2 = currentTime2; // 更新按钮2的最后有效按下时间 } } //---------------配置页面路由-------------------------- void handleWiFiConfig() { server.on("/front", HTTP_GET, [](AsyncWebServerRequest *request) {// 当访问 /front 路径时触发舵机动作 actionstate = 1; // 更新全局动作状态标志(1通常表示前进/前方动作) request->send(200, "text/plain", "Front function started"); // 立即响应客户端,避免阻塞(状态码200,返回纯文本确认信息) }); //以下函数相同,不再注释 server.on("/back", HTTP_GET, [](AsyncWebServerRequest *request) { actionstate = 4; // 设置标志,执行舵机动作 request->send(200, "text/plain", "Front function started"); }); server.on("/left", HTTP_GET, [](AsyncWebServerRequest *request) { actionstate = 2; // 设置标志,执行舵机动作 request->send(200, "text/plain", "Front function started"); }); server.on("/right", HTTP_GET, [](AsyncWebServerRequest *request) { actionstate = 3; // 设置标志,执行舵机动作 request->send(200, "text/plain", "Front function started"); }); server.on("/toplefthand", HTTP_GET, [](AsyncWebServerRequest *request) { actionstate = 5; // 设置标志,执行舵机动作 request->send(200, "text/plain", "Front function started"); }); server.on("/toprighthand", HTTP_GET, [](AsyncWebServerRequest *request) { actionstate = 6; // 设置标志,执行舵机动作 request->send(200, "text/plain", "Front function started"); }); server.on("/sitdown", HTTP_GET, [](AsyncWebServerRequest *request) { actionstate = 8; // 设置标志,执行舵机动作 request->send(200, "text/plain", "Front function started"); }); server.on("/lie", HTTP_GET, [](AsyncWebServerRequest *request) { actionstate = 7; request->send(200, "text/plain", "Front function started"); }); server.on("/sleep", HTTP_GET, [](AsyncWebServerRequest *request) { actionstate = 10; request->send(200, "text/plain", "Front function started"); }); server.on("/free", HTTP_GET, [](AsyncWebServerRequest *request) { freestate=true; request->send(200, "text/plain", "Front function started"); }); server.on("/offfree", HTTP_GET, [](AsyncWebServerRequest *request) { freestate=false; request->send(200, "text/plain", "Front function started"); }); server.on("/histate", HTTP_GET, [](AsyncWebServerRequest *request) { emojiState = 0; // 设置标志,执行舵机动作 request->send(200, "text/plain", "Front function started"); }); server.on("/angrystate", HTTP_GET, [](AsyncWebServerRequest *request) { emojiState = 1; // 设置标志,执行舵机动作 request->send(200, "text/plain", "Front function started"); }); server.on("/edastate", HTTP_GET, [](AsyncWebServerRequest *request) { emojiState = 9; // 设置标志,执行舵机动作 request->send(200, "text/plain", "Front function started"); }); server.on("/errorstate", HTTP_GET, [](AsyncWebServerRequest *request) { emojiState = 2; // 设置标志,执行舵机动作 request->send(200, "text/plain", "Front function started"); }); server.on("/batteryVoltage", HTTP_GET, [](AsyncWebServerRequest *request) { request->send(200, "text/plain", String(batteryVoltage)); }); server.on("/batteryPercentage", HTTP_GET, [](AsyncWebServerRequest *request) { request->send(200, "text/plain", String(batteryPercentage)); }); server.on("/dowhatstate", HTTP_GET, [](AsyncWebServerRequest *request) { emojiState = 3; // 设置标志,执行舵机动作 request->send(200, "text/plain", "Front function started"); }); server.on("/lovestate", HTTP_GET, [](AsyncWebServerRequest *request) { emojiState = 4; // 设置标志,执行舵机动作 request->send(200, "text/plain", "Front function started"); }); server.on("/sickstate", HTTP_GET, [](AsyncWebServerRequest *request) { emojiState = 5; // 设置标志,执行舵机动作 request->send(200, "text/plain", "Front function started"); }); server.on("/yunstate", HTTP_GET, [](AsyncWebServerRequest *request) { emojiState = 6; request->send(200, "text/plain", "Front function started"); }); server.on("/time", HTTP_GET, [](AsyncWebServerRequest *request) { emojiState = 8; request->send(200, "text/plain", "Front function started"); }); server.on("/weather", HTTP_GET, [](AsyncWebServerRequest *request) { emojiState = 7; // 设置标志,执行舵机动作 request->send(200, "text/plain", "Front function started"); }); server.on("/connect", HTTP_POST, [](AsyncWebServerRequest *request) { // 获取POST参数:ssid、pass、city、api String ssid = request->getParam("ssid", true)->value(); String pass = request->getParam("pass", true)->value(); String city = request->getParam("city", true)->value(); String api = request->getParam("api", true)->value(); // 打印接收到的参数 Serial.println(ssid); Serial.println(pass); // 保存WiFi信息到JSON文件 DynamicJsonDocument doc(1024); doc["ssid"] = ssid; doc["pass"] = pass; doc["city"] = city; doc["api"] = api; fs::File file = SPIFFS.open(ssidFile, "w"); // 打开文件进行写入 if (file) { serializeJson(doc, file); // 将JSON内容写入文件 file.close(); // 关闭文件 } // 更新全局变量 cityname = city; weatherapi = api; // 开始连接WiFi WiFi.begin(ssid.c_str(), pass.c_str()); // 发送HTML响应,告知用户正在连接 // 发送带UTF-8编码声明的HTML响应 request->send(200, "text/html; charset=UTF-8", "<!DOCTYPE html>" "<html>" "<head>" " <meta charset='UTF-8'>" " <title>状态</title>" "</head>" "<body>" " <h1>请返回使用在线功能,如果能正常获取则配置成功!</h1>" "</body>" "</html>" );} ); server.on("/", HTTP_GET, [](AsyncWebServerRequest *request) { // 检查SPIFFS文件系统中是否存在index.html文件 if (SPIFFS.exists("/index.html")) { fs::File file = SPIFFS.open("/index.html", "r"); // 打开index.html文件 if (file) { size_t fileSize = file.size(); // 获取文件大小 String fileContent; // 逐字节读取文件内容 while (file.available()) { fileContent += (char)file.read(); } file.close(); // 关闭文件 // 返回HTML内容 request->send(200, "text/html", fileContent); return; } } // 如果文件不存在,返回404错误 request->send(404, "text/plain", "File Not Found"); }); server.on("/control.html", HTTP_GET, [](AsyncWebServerRequest *request) { // 检查SPIFFS文件系统中是否存在index.html文件 if (SPIFFS.exists("/control.html")) { fs::File file = SPIFFS.open("/control.html", "r"); // 打开index.html文件 if (file) { size_t fileSize = file.size(); // 获取文件大小 String fileContent; // 逐字节读取文件内容 while (file.available()) { fileContent += (char)file.read(); } file.close(); // 关闭文件 // 返回HTML内容 request->send(200, "text/html", fileContent); return; } } // 如果文件不存在,返回404错误 request->send(404, "text/plain", "File Not Found"); }); server.on("/engine.html", HTTP_GET, [](AsyncWebServerRequest *request) { // 检查SPIFFS文件系统中是否存在index.html文件 if (SPIFFS.exists("/engine.html")) { fs::File file = SPIFFS.open("/engine.html", "r"); // 打开index.html文件 if (file) { size_t fileSize = file.size(); // 获取文件大小 String fileContent; // 逐字节读取文件内容 while (file.available()) { fileContent += (char)file.read(); } file.close(); // 关闭文件 // 返回HTML内容 request->send(200, "text/html", fileContent);//发送文件内容 return; } } // 如果文件不存在,返回404错误 request->send(404, "text/plain", "File Not Found"); }); server.on("/setting.html", HTTP_GET, [](AsyncWebServerRequest *request) { // 检查SPIFFS文件系统中是否存在index.html文件 if (SPIFFS.exists("/setting.html")) { fs::File file = SPIFFS.open("/setting.html", "r"); // 打开index.html文件 if (file) { size_t fileSize = file.size(); // 获取文件大小 String fileContent; // 逐字节读取文件内容 while (file.available()) { fileContent += (char)file.read(); } file.close(); // 关闭文件 // 返回HTML内容 request->send(200, "text/html", fileContent); return; } } // 如果文件不存在,返回404错误 request->send(404, "text/plain", "File Not Found"); }); // 启动服务器 server.begin(); }; void loadWiFiConfig() { // 初始化SPIFFS文件系统(存储WiFi配置等信息) if (SPIFFS.begin()) // 成功挂载文件系统 { // 尝试打开存储WiFi配置的JSON文件(需提前创建) fs::File file = SPIFFS.open(ssidFile, "r"); // "r"表示只读模式 if (file) // 文件存在且可访问 { // 创建动态JSON文档(容量需根据实际配置数据调整) DynamicJsonDocument doc(1024); // 建议至少1024字节存储配置参数 // 反序列化JSON数据(将文件内容解析为JSON对象) DeserializationError error = deserializeJson(doc, file); if (!error) // JSON解析成功 { // 从JSON对象中提取配置参数 String ssid = doc["ssid"]; // WiFi名称字段 String pass = doc["pass"]; // WiFi密码字段 String city = doc["city"]; // 城市代码字段 String api = doc["api"]; // 天气API密钥字段 // 将配置参数赋给全局变量 cityname = city; // 存储城市代码 weatherapi = api; // 存储API密钥 // 使用存储的凭证尝试连接WiFi WiFi.begin(ssid.c_str(), pass.c_str()); // 转换为C风格字符串 // 设置5秒连接超时(5000ms) unsigned long startAttemptTime = millis(); while (WiFi.status() != WL_CONNECTED && millis() - startAttemptTime < 5000) { delay(500); // 等待连接,每0.5秒检测一次 } // 连接状态检测 if (WiFi.status() != WL_CONNECTED) { Serial.println("WiFi connection failed, starting captive portal..."); handleWiFiConfig(); // 启动强制配置门户(如AP模式) } else { Serial.println("WiFi connected"); timeClient.begin(); // 初始化NTP时间客户端 } } file.close(); // 关闭文件释放资源 } } } void fetchWeather() { // 天气捕捉 // 天气数据初始化模块(首次运行或需要更新时触发) if (initweather == false) { // 检测WiFi连接状态(确保网络可用性) if (WiFi.status() == WL_CONNECTED) { WiFiClient client; // 创建TCP客户端 HTTPClient http; // 初始化HTTP客户端 // 构建带参数的API请求URL(包含动态参数) String apiUrl = weatherAPI + weatherapi + "&location=" + cityname + "&language=zh-Hans&unit=c&start=0&days=1"; // 发起HTTPS连接(注意:实际需确认weatherAPI是否支持SSL) if (http.begin(client, apiUrl)) { int httpCode = http.GET(); // 发送GET请求 // 成功接收响应(httpCode 200表示成功) if (httpCode > 0) { String payload = http.getString(); // 获取完整响应数据 // 调试输出原始JSON数据(建议在开发阶段开启) Serial.println("JSON Response:"); Serial.println(payload); // 创建JSON文档并解析数据 DynamicJsonDocument doc(2048); // 建议扩大至2048字节防止数据截断 DeserializationError error = deserializeJson(doc, payload); if (!error) { // 提取天气数据(注意字段路径需与API响应结构匹配) String temperature2 = doc["results"][0]["daily"][0]["high"]; // 最高温度 String humidity2 = doc["results"][0]["daily"][0]["humidity"]; // 湿度值 String weathe2r = doc["results"][0]["daily"][0]["text_day"]; // 天气描述(变量名疑似拼写错误) // 更新全局天气变量 temperature = temperature2; humidity = humidity2; weather = weathe2r; initweather = true; // 标记已完成初始化 // 调试输出解析结果 Serial.print("Data received: "); Serial.println(temperature); Serial.println(humidity); Serial.println(weather); } else { Serial.println("JSON解析失败: " + String(error.c_str())); } } else { Serial.printf("HTTP请求失败,错误代码: %d,详情: %s\n", httpCode, http.errorToString(httpCode).c_str()); } http.end(); // 必须释放资源 } else { Serial.println("服务器连接失败,请检查API地址"); } } } if (weather == "小雨" || weather == "大雨" || weather == "暴雨" || weather == "雨")//识别天气 { do { u8g2.setFont(u8g2_font_ncenB08_tr);//配置字体 u8g2.drawXBMP(0, 0, 64, 64, rain);//展示图片 u8g2.drawStr(64, 20, "Temp");//显示温度 String temperatureString = String(temperature) + " C";//拼接字符串 u8g2.drawStr(64, 30, temperatureString.c_str());//屏幕显示 u8g2.drawStr(64, 50, "Humidity");//内容同上不再注释 String humidityString = String(humidity) + " %"; u8g2.drawStr(64, 60, humidityString.c_str()); } while (u8g2.nextPage()); } else if (weather == "晴") { do { u8g2.setFont(u8g2_font_ncenB08_tr); u8g2.drawStr(64, 20, "Temp"); u8g2.drawXBMP(0, 0, 64, 64, sun); String temperatureString = String(temperature) + " %"; u8g2.drawStr(64, 30, temperatureString.c_str()); u8g2.drawStr(64, 50, "Humidity"); String humidityString = String(humidity) + " %"; u8g2.drawStr(64, 60, humidityString.c_str()); } while (u8g2.nextPage()); } else { do { u8g2.setFont(u8g2_font_ncenB08_tr); u8g2.drawXBMP(0, 0, 64, 64, cloud); u8g2.drawStr(64, 20, "Temp"); String temperatureString = String(temperature) + " C"; u8g2.drawStr(64, 30, temperatureString.c_str()); u8g2.drawStr(64, 50, "Humidity"); String humidityString = String(humidity) + " %"; u8g2.drawStr(64, 60, humidityString.c_str()); } while (u8g2.nextPage()); } } void front() { servo2.write(140); //舵机2旋转至140度 servo3.write(40); //舵机旋转至40度 delay(100);//延时100s servo1.write(40); //内容同上 servo4.write(140); delay(100); servo2.write(90); servo3.write(90); delay(100); servo1.write(90); servo4.write(90); delay(100); servo1.write(140); servo4.write(40); delay(100); servo2.write(40); servo3.write(140); delay(100); servo1.write(90); servo4.write(90); delay(100); servo2.write(90); servo3.write(90); } void back() { servo3.write(140); servo2.write(40); delay(100); servo4.write(40); servo1.write(140); delay(100); servo3.write(90); servo2.write(90); delay(100); servo4.write(90); servo1.write(90); delay(100); servo4.write(140); servo1.write(40); delay(100); servo3.write(40); servo2.write(140); delay(100); servo4.write(90); servo1.write(90); delay(100); servo3.write(90); servo2.write(90); } void right() { int num = 0; while (num < 3)//调用一次执行3次 { servo1.write(100); servo4.write(100); delay(100); servo3.write(60); servo2.write(60); delay(100); servo1.write(140); servo4.write(140); delay(100); servo3.write(40); servo2.write(40); delay(100); servo3.write(90); servo2.write(90); servo1.write(90); servo4.write(90); delay(100); servo1.write(80); servo4.write(80); delay(100); servo3.write(120); servo2.write(120); delay(100); servo1.write(90); servo4.write(90); delay(100); servo3.write(140); servo2.write(140); delay(100); servo3.write(90); servo2.write(90); num++; } } void left() { int num = 0; while (num < 3) { servo1.write(80); servo4.write(80); delay(100); servo3.write(120); servo2.write(120); delay(100); servo1.write(40); servo4.write(40); delay(100); servo3.write(140); servo2.write(140); delay(100); servo3.write(90); servo2.write(90); servo1.write(90); servo4.write(90); delay(100); servo1.write(100); servo4.write(100); delay(100); servo3.write(60); servo2.write(60); delay(100); servo1.write(90); servo4.write(90); delay(100); servo3.write(40); servo2.write(40); delay(100); servo3.write(90); servo2.write(90); num++; } } void sitdown() { servo2.write(140); servo4.write(40); delay(3000); servo2.write(90); servo4.write(90); } void lie() { servo1.write(180); servo3.write(0); servo2.write(0); servo4.write(180); delay(3000); servo1.write(90); servo3.write(90); servo2.write(90); servo4.write(90); } void toplefthand() { int num = 0; while (num < 3) { servo3.write(0); delay(100); servo3.write(30); delay(100); num++; } servo3.write(90); } void toprighthand() { int num = 0; while (num < 3) { servo1.write(180); delay(100); servo1.write(150); delay(100); num++; } servo1.write(90); } void dosleep() { servo1.write(0); servo3.write(180); servo2.write(180); servo4.write(0); } // 对 ADC 数据多次采样并计算平均值 float getAverageAdcVoltage() { long totalAdcValue = 0; // 多次采样 for (int i = 0; i < numSamples; i++) { totalAdcValue += analogRead(A0); // 读取 ADC 数据 delay(10); // 每次采样间隔 10ms } // 计算平均 ADC 值 float averageAdcValue = totalAdcValue / (float)numSamples; // 将 ADC 值转换为电压 return (averageAdcValue / 1023.0) * 1.0; // ESP8266 的参考电压为 1.0V } // 计算电池电量百分比的函数 int mapBatteryPercentage(float voltage) { if (voltage <= minVoltage) return 0; // 小于等于最小电压时,电量为 0% if (voltage >= maxVoltage) return 100; // 大于等于最大电压时,电量为 100% // 根据线性比例计算电量百分比 return (int)((voltage - minVoltage) / (maxVoltage - minVoltage) * 100); } void serialListen(){ // 读取完整字符串(直到换行符) String receivedString = Serial.readStringUntil('\n'); // 去掉可能的回车符或空格 receivedString.trim(); // 处理接收到的字符串 Serial.print("Received: "); Serial.println(receivedString); if(receivedString=="front"){//当接收到“front”时 front();//执行前进 }; if(receivedString=="back"){ back(); }; if(receivedString=="toplefthand"){ toplefthand(); }; if(receivedString=="toprighthand"){ toprighthand(); }; if(receivedString=="left"){ left(); }; if(receivedString=="right"){ right(); }; if(receivedString=="sitdown"){ sitdown(); }; if(receivedString=="lie"){ lie(); }; if(receivedString=="dosleep"){ dosleep(); }; if(receivedString=="kaixin"){ emojiState=0; }; if(receivedString=="shengqi"){ emojiState=1; }; if(receivedString=="nanshou"){ emojiState=5; }; if(receivedString=="haoqi"){ emojiState=3; }; if(receivedString=="xihuan"){ emojiState=4; }; if(receivedString=="cuowu"){ emojiState=2; }; if(receivedString=="yun"){ emojiState=6; }; if(receivedString=="shijian"){ emojiState=8; }; if(receivedString=="tianqi"){ emojiState=7; }; if(receivedString=="logo"){ emojiState=9; }; } /// @brief void setup() { u8g2.begin(); u8g2.setDisplayRotation(U8G2_R2); // OLED 显示初始化与按钮中断配置 u8g2.firstPage(); // 启动U8g2页面缓冲绘制 do { // 设置显示字体(14像素高度,适合128x64屏幕) u8g2.setFont(u8g2_font_ncenB14_tr); // 绘制LOGO位图(居中显示计算) // 参数说明:X坐标0(左对齐),Y坐标(64/2 -22/2)=21(垂直居中) // 位图尺寸:宽度128px,高度22px,数据源为logo数组 u8g2.drawXBMP(0, (64 / 2 - 22 / 2), 128, 22, logo); } while (u8g2.nextPage()); // 循环刷新直至完成全帧绘制 // 按钮1配置(通常对应GPIO2) // 硬件要求:按钮接地触发,内置上拉保持高电平 pinMode(BUTTON_PIN, INPUT_PULLUP); // 配置下降沿中断(物理按下时产生低电平) attachInterrupt(digitalPinToInterrupt(BUTTON_PIN), handleButtonPress, FALLING); // 按钮2配置(通常对应GPIO15) // 硬件要求:需外接上拉电阻,按钮接3.3V触发 pinMode(BUTTON_PIN2, INPUT); // 无内部上拉模式 // 配置上升沿中断(物理按下时产生高电平) attachInterrupt(digitalPinToInterrupt(BUTTON_PIN2), handleButtonPress, RISING); //启用SPIFFS文件系统 SPIFFS.begin(); servo1.attach(engine1, 500, 2500); // 配置舵机PWM,500µs=0度,2500µs=180度 servo2.attach(engine2, 500, 2500); servo3.attach(engine3, 500, 2500); servo4.attach(engine4, 500, 2500); servo1.write(90);//舵机旋转到90度 servo3.write(90); servo2.write(90); servo4.write(90); // 初始化串口 Serial.begin(115200); // 设置WiFi为热点模式 WiFi.softAP(ssid, password); Serial.println("热点已启动"); // 访问的IP地址是 ESP8266 的默认IP:192.168.4.1 Serial.print("访问地址: "); Serial.print(WiFi.softAPIP()); // 加载WiFi配置 loadWiFiConfig(); if (WiFi.status() != WL_CONNECTED)//当WIFI未连接时 { Serial.println("Starting captive portal...");//串口输出 handleWiFiConfig();//加载WIFI配置 } else { handleWiFiConfig();//加载WIFI配置 Serial.println("WiFi connected"); timeClient.begin();//NTP服务初始化 timeClient.update(); // 获取初始时间 } delay(5000); u8g2.clearDisplay();//清屏 do { u8g2.setFont(u8g2_font_ncenB08_tr); u8g2.drawXBMP(0, 0, 64, 64, ipip); u8g2.drawStr(64, 10, "WIFI_AP"); u8g2.drawStr(64, 27, "EDA-Robot"); u8g2.drawStr(64, 43, "192.168.4.1"); u8g2.drawStr(64, 60, "WIFI CTRL"); } while (u8g2.nextPage()); delay(5000); u8g2.clearDisplay(); } void loop() { if (Serial.available() > 0) { serialListen(); } // 对 ADC 数据多次采样并求平均 float adcVoltage = getAverageAdcVoltage(); // 将采样的 ADC 电压转换为实际电池电压 batteryVoltage = adcVoltage * voltageDividerRatio; // 计算电池电压 // 根据电池电压计算电量百分比 batteryPercentage = mapBatteryPercentage(batteryVoltage); if (buttonPressed)//按键1按下时 { buttonPressed = false; // 清除按键标志 front(); } if (buttonPressed2) { buttonPressed2 = false; // 清除按键标志 back(); } if (emojiState != prevEmojiState) { u8g2.clearDisplay(); // 状态变化时清屏 prevEmojiState = emojiState; // 更新状态 } if (freestate) { delay(3000); actionstate = random(0, 10); } // 可以使用switch优化效率 switch (actionstate) { case 0 /* constant-expression */: /* code */ break; case 1: front(); // 执行一次舵机动作 actionstate = 0; break; case 2: left(); // 执行一次舵机动作 actionstate = 0; break; case 3: right(); // 执行一次舵机动作 actionstate = 0; break; case 4: back(); // 执行一次舵机动作 actionstate = 0; break; case 5: toplefthand(); // 执行一次舵机动作 actionstate = 0; break; case 6: toprighthand(); // 执行一次舵机动作 actionstate = 0; break; case 10: dosleep(); // 执行一次舵机动作 actionstate = 0; break; case 7: lie(); // 执行一次舵机动作 actionstate = 0; break; case 8: sitdown(); // 执行一次舵机动作 actionstate = 0; break; case 9: emojiState = random(0, 7); // 执行一次舵机动作 actionstate = 0; break; default: break; } switch (emojiState) { case 0: // 首页 u8g2.setFont(u8g2_font_ncenB14_tr); do { u8g2.drawXBMP(0, 0, 128, 64, hi); } while (u8g2.nextPage()); break; case 1: // 第二页 u8g2.setFont(u8g2_font_ncenB14_tr); do { u8g2.drawXBMP(0, 0, 128, 64, angry); } while (u8g2.nextPage()); break; case 2: // 第三页 do { u8g2.setFont(u8g2_font_ncenB14_tr); u8g2.drawXBMP(0, 0, 128, 64, error); } while (u8g2.nextPage()); break; case 3: // 第四页 do { u8g2.setFont(u8g2_font_ncenB14_tr); u8g2.drawXBMP(0, 0, 128, 64, dowhat); } while (u8g2.nextPage()); break; case 4: // 第四页 do { u8g2.setFont(u8g2_font_ncenB14_tr); u8g2.drawXBMP(0, 0, 128, 64, love); } while (u8g2.nextPage()); break; case 5: do { u8g2.setFont(u8g2_font_ncenB14_tr); u8g2.drawXBMP(0, 0, 128, 64, sick); } while (u8g2.nextPage()); break; case 6: do { u8g2.setFont(u8g2_font_ncenB14_tr); u8g2.drawXBMP(0, 0, 128, 64, yun); } while (u8g2.nextPage()); break; case 7: if (WiFi.status() != WL_CONNECTED) { do { u8g2.setFont(u8g2_font_ncenB08_tr); u8g2.drawXBMP(0, 0, 64, 64, wifi); u8g2.drawStr(64, 20, "IP:"); u8g2.drawStr(64, 40, "192.168.4.1"); u8g2.drawStr(64, 60, "Need NET"); } while (u8g2.nextPage()); } else { fetchWeather(); } break; break; case 8: if (WiFi.status() != WL_CONNECTED) { do { u8g2.setFont(u8g2_font_ncenB08_tr); u8g2.drawXBMP(0, 0, 64, 64, wifi); u8g2.drawStr(64, 20, "IP:"); u8g2.drawStr(64, 40, "192.168.4.1"); u8g2.drawStr(64, 60, "Need NET"); } while (u8g2.nextPage()); } else { do { timeClient.update(); // 更新时间 u8g2.setFont(u8g2_font_ncenB14_tr); timeClient.update(); u8g2.drawXBMP(0, 0, 64, 64, timeimage); // 获取当前时间 // 显示时间到 OLED int currentHour = timeClient.getHours(); int currentMinute = timeClient.getMinutes(); String timeToDisplay = String(currentHour) + ":" + String(currentMinute); u8g2.drawStr(64, 30, "TIME"); u8g2.setCursor(64, 50); u8g2.print(timeToDisplay); } while (u8g2.nextPage()); } break; case 9: do { u8g2.setFont(u8g2_font_ncenB14_tr); u8g2.drawXBMP(0, (64 / 2 - 22 / 2), 128, 22, logo); } while (u8g2.nextPage()); break; default: // 添加默认 case 来处理其他情况 break; } } 这是我的整段代码。请你使IO2和en在Visual Studio Code变成高电平,放入这段代码中并且不报错
06-07
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