帮我实现springboot防止sql注入的完整多种情况的过滤器写法

好的，下面是一个简单的防止 SQL 注入的过滤器实现，使用了 Spring Boot 中提供的 `CharacterEncodingFilter` 和 `HttpServletRequestWrapper` 来完成：

import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.filter.CharacterEncodingFilter;

import javax.servlet.*;
import javax.servlet.http.HttpServletRequest;
import java.io.IOException;

@Configuration
public class SqlInjectionFilter {

    @Bean
    public FilterRegistrationBean registrationBean() {
        FilterRegistrationBean bean = new FilterRegistrationBean();
        bean.setFilter(new SqlInjectionFilterImpl());
        bean.addUrlPatterns("/*");
        bean.setName("SqlInjectionFilter");
        bean.setOrder(1);
        return bean;
    }

    static class SqlInjectionFilterImpl implements Filter {

        @Override
        public void init(FilterConfig filterConfig) throws ServletException {
        }

        @Override
        public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
            HttpServletRequest httpServletRequest = (HttpServletRequest) request;
            SqlInjectionHttpServletRequestWrapper requestWrapper = new SqlInjectionHttpServletRequestWrapper(httpServletRequest);
            chain.doFilter(requestWrapper, response);
        }

        @Override
        public void destroy() {
        }
    }

    static class SqlInjectionHttpServletRequestWrapper extends HttpServletRequestWrapper {

        public SqlInjectionHttpServletRequestWrapper(HttpServletRequest request) {
            super(request);
        }

        @Override
        public String getParameter(String name) {
            String value = super.getParameter(name);
            if (value != null) {
                value = value.replaceAll("'", "''").replaceAll("--", "").replaceAll("#", "");
            }
            return value;
        }
    }
}

这个过滤器使用了 `FilterRegistrationBean` 注册，将其加入到 Spring Boot 的过滤器链中。在过滤器中，我们使用了一个 `SqlInjectionHttpServletRequestWrapper` 来包装原先的 `HttpServletRequest` 对象，然后在 `getParameter` 方法中对 HTTP 参数值进行了过滤，将一些常见的 SQL 注入语句替换为空字符串，从而实现了防止 SQL 注入的功能。