$.get("/updata",{"data":"ture","id":1234},function(data){ window.alert(data.status); },"json");

这是一个使用jQuery发送GET请求的示例。它向服务器发送一个带有"data"和"id"参数的GET请求，服务器会返回一个JSON格式的响应。然后，代码将响应中的"status"属性作为弹出窗口的内容进行显示。

具体的代码解释如下：

- $.get()函数用于发送GET请求，其参数依次为请求的URL、发送给服务器的数据、处理响应数据的回调函数以及响应数据的类型。
- "/updata"是请求的URL。
- {"data":"ture","id":1234}是发送给服务器的数据，其中"data"和"id"分别对应着键和值。
- function(data){window.alert(data.status);}是处理响应数据的回调函数。当响应被成功处理时，弹出窗口会显示响应数据中"status"属性的值。
- "json"是响应数据的类型。由于服务器返回的是一个JSON格式的响应，因此需要将其解析为JSON对象。

代码演示如下：

$.get("/updata",{"data":"ture","id":1234},function(data){
    window.alert(data.status);
},"json");

相关问题

读取#@brief: gerneral config parameters general: use_ros: true #@type: bool @detail: flag to control using ROS functions or not # if ture, you can send or receive messages through ROS (different messages need to be config in their own yaml file separatedly) use_proto: true #@type: bool @detail: flag to control using Proto functions or not # if ture, you can send or receive sensor: #@brief: config file for Imu message imu: include: ../sensor_config/other_sensors/rs_imu.yaml #@brief: config file for Gnss message gnss: include: ../sensor_config/other_sensors/rs_gnss.yaml #@brief: config file for Odom message odom: include: ../sensor_config/other_sensors/rs_odom.yaml #@brief: config file for Lidar message lidar: include: ../sensor_config/lidar/rs_lidar.yaml #@brief: config file for Lidar message camera: include: ../sensor_config/other_sensors/rs_camera.yaml #@brief: config file for Radar message radar: include: ../sensor_config/other_sensors/rs_radar.yaml

要读取上述YAML文件，可以使用适合的YAML解析库，例如YAML-CPP或YAMLCPP-Parser。以下是使用YAML-CPP的示例代码：

#include <iostream>
#include <yaml-cpp/yaml.h>

void readConfig(const YAML::Node& config) {
    if (config["general"]) {
        // 读取general字段的值
        YAML::Node general = config["general"];
        if (general["use_ros"]) {
            bool useRos = general["use_ros"].as<bool>();
            std::cout << "use_ros: " << std::boolalpha << useRos << std::endl;
        }
        if (general["use_proto"]) {
            bool useProto = general["use_proto"].as<bool>();
            std::cout << "use_proto: " << std::boolalpha << useProto << std::endl;
        }
    }

    if (config["sensor"]) {
        // 读取sensor字段的值
        YAML::Node sensor = config["sensor"];
        if (sensor["imu"]) {
            std::string imuInclude = sensor["imu"]["include"].as<std::string>();
            std::cout << "imu include: " << imuInclude << std::endl;
        }
        if (sensor["gnss"]) {
            std::string gnssInclude = sensor["gnss"]["include"].as<std::string>();
            std::cout << "gnss include: " << gnssInclude << std::endl;
        }
        if (sensor["odom"]) {
            std::string odomInclude = sensor["odom"]["include"].as<std::string>();
            std::cout << "odom include: " << odomInclude << std::endl;
        }
        if (sensor["lidar"]) {
            std::string lidarInclude = sensor["lidar"]["include"].as<std::string>();
            std::cout << "lidar include: " << lidarInclude << std::endl;
        }
        if (sensor["camera"]) {
            std::string cameraInclude = sensor["camera"]["include"].as<std::string>();
            std::cout << "camera include: " << cameraInclude << std::endl;
        }
        if (sensor["radar"]) {
            std::string radarInclude = sensor["radar"]["include"].as<std::string>();
            std::cout << "radar include: " << radarInclude << std::endl;
        }
    }
}

int main() {
    // 加载YAML文件
    YAML::Node config = YAML::LoadFile("config.yaml");

    // 读取配置
    readConfig(config);

    return 0;
}

请确保将上述示例代码与YAML-CPP库一起编译、链接并运行。从YAML文件中读取的值将打印到控制台上。

submit_bin: function(){ console.log("helelo,userName:" + this.data.username + "\npassword" + this.data.password) var that = this; wx.request({ url: 'http://localhost:8080/login', method:'POST', header:{'content-type':'application/x-www-form-urlencoded'}, data:{ 'userName':that.data.username, 'userPwd':that.data.password }, success:function(res){ console.log("回调函数:"+ res.data) var ResData = res.data; if(ResData==ture){ wx.showToast({ title: 'success', duration: 2000 }) } } }) }

这段代码是 JavaScript 语言编写的一个函数，函数名为 submit_bin。该函数通过调用 wx.request 方法向指定的 URL 发送 HTTP POST 请求，请求的数据为用户名和密码。请求头中设置了 content-type 为 application/x-www-form-urlencoded。当请求成功后，会打印出回调函数中返回的数据，并且如果 ResData 的值为 true，则会弹出一个成功提示框。