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BigDecimal divide(BigDecimal divisor,int scale,int roundingMode)scale:表示四舍五入的位数在上面的例子中，我们使用了BigDecimal类，并且采用setScale方法设置了精度，同时传递了一个RoundingMode.HALF_EVEN参数表示使用银行家舍入法则进行近似计算，BigDecimal和RoundingMode...

Property 'configuration' and 'configLocation' can not specified with together将 config-location 改成 config-locations 可解决软件赚钱_优米谷网

// 准备使用到的实体类@Getter@Setter@ToStringpublic class DeptLevelDto extends SysDept { private List<DeptLevelDto> deptList = Lists.newArrayList(); public static DeptLevelDto adapt(SysDept...

1...\target\m2e-wtp\web-resources\META-INF\MANIFEST.MF (系统找不到指定的路径）解决办法 https://blog.youkuaiyun.com/liliang_11676/article/details/792723482.解决 There are no resources that can be added or removed from th...

方式一 ：    &lt;bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"&gt;        &lt;property name="driverClass" value="oracle.jdbc.driver.OracleDriver"&gt;&lt;/property&gt;  

1.    springmvc使用response返回json String jobj = "{\"recordsFiltered\":19,\"data\":[{\"encoding\":  // 省略   response.setHeader("content-type", "text/json;charset=UTF-8");        response.getWriter.