#!/bin/bash read -p "请输入参数:" name test -z $name if [ $? -eq 1 ]; then echo "入参:$name" else echo "入参为null" fi
#!/bin/bash
read -p "请输入参数:" name
test -z $name
if [ $? -eq 1 ]; then echo "入参:$name" else echo "入参为null" fi