String code = "def count_characters(string):\n count_dict = {}\n for char in string:\n count_dict[char] = count_dict.get(char, 0) + 1\n return count_dict\n\n# 调用函数测试\nstring = 'abracadabra'\nresult = count_characters(string)\nprint(result)"; 请写出使用前端window.btoa(encodeURI(this.code))示例代码以及可以和前端生成值一致的java后端代码
时间: 2023-11-29 18:05:12 浏览: 36
前端示例代码:
```javascript
const encodedCode = window.btoa(encodeURI(code));
console.log(encodedCode);
```
Java后端代码:
```java
import java.io.UnsupportedEncodingException;
import java.util.Base64;
public class Main {
public static void main(String[] args) throws UnsupportedEncodingException {
String code = "def count_characters(string):\n count_dict = {}\n for char in string:\n count_dict[char] = count_dict.get(char, 0) + 1\n return count_dict\n\n# 调用函数测试\nstring = 'abracadabra'\nresult = count_characters(string)\nprint(result)";
String encodedCode = Base64.getEncoder().encodeToString(code.getBytes("UTF-8"));
System.out.println(encodedCode);
}
}
```
注意,这里使用了Java 8中的Base64类,如果您使用的是较早的Java版本,可以使用其他的Base64编码库来替代。