需求:
 
 validateAddress(address) {
            const parts = address.split(':'); //例子:['192.168.0.55', '2022']
           
            const host = parts[0];
            const port = Number(parts[1]);
            if (/^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+$/.test(host)) {
                // 是 IP 地址
                const octets = host.split('.');
                if (octets.length !== 4) {
                    return 'IP地址格式错误';
                }
                for (let i = 0; i < octets.length; i++) {
                    const octet = Number(octets[i]);
                    if (isNaN(octet) || octet < 0 || octet > 255) {
                        return 'IP地址范围[0,255]';
                    }
                }
                if (isNaN(port) || port < 0 || port > 65535) {
                    return '端口取值范围(0,65535)';
                }
                return '';
            } else if (/^[a-zA-Z0-9-_]+(\.[a-zA-Z0-9-_]+)+$/.test(host)) {
                // 是域名
                const domainRegex = /^[a-zA-Z0-9-_]+(\.[a-zA-Z0-9-_]+)+$/;
                if (!domainRegex.test(host)) {
                    return '域名格式错误';
                }
                const parts = host.split('.');
                if (host.length > 253) {
                    return '域名长度不能超过253个字符';
                }
                if (parts.length < 2 || parts[parts.length - 1].length < 2) {
                    return '顶级域名长度大于2字符';
                }
                for (let i = 0; i < parts.length; i++) {
                    const part = parts[i];
                    if (part.length > 63) {
                        return '每个部分的长度不能超过63个字符';
                    }
                }
                return '';
            } else {
                return '地址格式错误';
            }
        },
        validateAddresses(addresses) {
            let valid = true;
            const messages = [];
            for (let i = 0; i < addresses.length; i++) {
                const address = addresses[i];
                const message = this.validateAddress(address);
                if (message) {
                    valid = false;
                    messages.push(`第${i + 1}行:${message}`);
                }
            }
            if (!valid) {
                return messages.join('\n');
            }
            return '地址格式正确';
        },
        
// 测试地址格式
  const addresses = this.dataSourceForm.host.split('\n');
  console.log(this.validateAddresses(addresses)); // 输出:第2行:域名格式错误\n第3行:地址格式错误
  if (this.validateAddresses(addresses) === '地址格式正确') {
           console.log('成功啦');
           // 你的操作逻辑----
     } else {
          console.log('失败咯');
         this.$message.error(this.validateAddresses(addresses))
  }



















