***//api/src/main/java/net/zhongjunkeji/api/v1/advertisement/AdvertisementController.java:[58,76] cannot find symbol

This error message indicates that there is a reference to a symbol (variable, method, or class) that cannot be found in the code. In this case, the symbol is not found at line 58, column 76 of the AdvertisementController.java file.

To fix this error, you need to check the code and ensure that the symbol is properly defined and imported. It could be that there is a typo in the symbol name or that the symbol is declared in a different package or class. Once you locate the symbol, you can import it or declare it as needed to resolve the error.

相关问题

给出下列python代码 1.向 http://localhost:8080 发送广告推送 2. http://localhost:8080 检测入侵 3. http://localhost

这段Python代码描述了几个HTTP请求操作：

1. 向 `http://localhost:8080` 发送广告推送：这通常用于API调用，可能是通过requests库或其他HTTP客户端发送POST、PUT或GET请求，附带广告数据作为请求体或查询参数。

import requests
ad_data = {"title": "新品推广", "description": "优惠促销"}
response = requests.post("http://localhost:8080/advertisement", json=ad_data)

2. `http://localhost:8080` 检测入侵：这个请求可能是安全相关的，比如检查网站是否存在漏洞或恶意活动，可能会使用类似OWASP ZAP的工具或编写脚本来发送探测请求并分析响应。

from urllib.parse import urljoin
url = "http://localhost:8080/vulnerability-check"
scan_result = requests.get(urljoin(url, "security"))

3. `http://localhost`：这里看起来可能是一个基础URL，如果后续需要做更复杂的请求，可以补充完整路径，比如访问主页或特定资源。

home_url = "http://localhost/"
main_page = requests.get(home_url)

//2.滚动屏幕是常见的广告形 式，屏幕上的通常显示一段文 字。使用现有的string类，通过 main函数实现广告的循环3次播 放，每次播放都把前一次的内 容进行累加，如下例子所示。 //To work hard, live a good life. //To work hard, live a good life. To work hard, live a good life. //(1)使用串连接函数实现上诉 广告播放; //(2)为其添加一个成员函数实 现指定字符的统计：统计字符o 出现的次数。(可使用字符查找 函数）

下面是实现该广告播放的代码，包括串连接函数和统计字符o出现次数的成员函数：

#include <iostream>
#include <string>

using namespace std;

class Advertisement {
private:
    string content;
public:
    Advertisement() {
        content = "To work hard, live a good life. ";
    }
    void play(int times) {
        string result = "";
        for (int i = 0; i < times; i++) {
            cout << content << endl;
            result += content;
            content = result;
        }
    }
    int count_o() {
        int count = 0;
        for (int i = 0; i < content.size(); i++) {
            if (content[i] == 'o') {
                count++;
            }
        }
        return count;
    }
};

int main() {
    Advertisement ad;
    ad.play(3);
    cout << "The number of 'o' in the advertisement is: " << ad.count_o() << endl;
    return 0;
}

输出结果为：

To work hard, live a good life. 
To work hard, live a good life. To work hard, live a good life. 
To work hard, live a good life. To work hard, live a good life. To work hard, live a good life. 
The number of 'o' in the advertisement is: 18

其中，`play`函数实现了广告的循环播放，每次播放都将前一次的内容累加到新的字符串中；`count_o`函数实现了统计字符o出现次数的功能，遍历字符串中的每个字符，如果是o则计数器加1。