如何在多重引号里面取到shell变量的值? 双引号是不会屏蔽对变量和某些特殊符号的转义的,而单引号里的所有内容都会原封不动的输出,而单引号里再用单引号将变量引起来,变量就又可以正常的显示,有点像数学里的负负为正. 演示如何取到变量BUILD_NUMBER的值: num= while true do result_code=`curl -d '{"appName":"offline-index-web","branch":"securit…
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'spring.datasource-org.springframework.boot.autoconfigure.jdbc.DataSourceProperties': Initialization of bean failed; nested exception is java.lang.IllegalStateExce…