getNString() 方法 api 获取指定列的值在当前行 ResultSet对象作为 String在Java编程语言 getNString(int columnIndex) Retrieves the value of the designated column in the current row of this ResultSet object as a String in the Java programming language. getNStrin…
在Eclipse中运行Maven项目,报错:
No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK?
解决方法:
Windows > Preferences > Java > Installed JREs > Add > Standard VM,…