多行字符串的表示方式

# 与双引号括起的字符串一样，即其中的转义序列将被解释
# 结束标记前和后不能加空格

ruby 代码

str = <<eof span=""></eof> # 不中不能加'
  Once upon a midnight dreary, \\t
  While I pondered weak and weary, ... \\n
EOF

puts str

# 与单引号括起的字符串一样

ruby 代码

str = <<'EOF'
This isn't a tab: \t
and this isn't a newline: \n
EOF

puts str

# 结束标记后不能加空格
# 结束标记前能加空格

ruby 代码

str = <<-EOF
  Each of these lines
  starts with a pair
  of blank speces.
EOF

puts str

# 当中不能加"

ruby 代码

ghg="""
hkjhkjhk
hkjhk
"""
puts ghg

 

ruby 代码

a = '''asdf
asd
fa
sdf
as
df
asdf'''

puts a