Java 变量必须提供维度表达式或数组初始值设定项错误
出于测试目的,我硬编码了一个bean数组,以便将变量传递给数据库。我现在从一个表单中提取变量,如果它们不为null,我想在bean数组中设置它们。我想我的语法是错误的 硬编码:Java 变量必须提供维度表达式或数组初始值设定项错误,java,arrays,Java,Arrays,出于测试目的,我硬编码了一个bean数组,以便将变量传递给数据库。我现在从一个表单中提取变量,如果它们不为null,我想在bean数组中设置它们。我想我的语法是错误的 硬编码: CriteriaBean[] filters = new CriteriaBean[] { new CriteriaBean("YEAR","=","2012"), new CriteriaBean("LOCATION","in","('XXX','YYY')"), new CriteriaBea
CriteriaBean[] filters = new CriteriaBean[]
{
new CriteriaBean("YEAR","=","2012"),
new CriteriaBean("LOCATION","in","('XXX','YYY')"),
new CriteriaBean("TOM","is","not null")
};
我试着做类似的事情,但得到了错误:
CriteriaBean[] filters = new CriteriaBean[]
{
if (form.getYear() != null)
{
new CriteriaBean("YEAR","=","2012")
}
};
菜豆
public class CriteriaBean
{
public static final CriteriaBean[] EMPTY_ARRAY = new CriteriaBean[0];
private String fieldName;
private String value;
private String operation;
public CriteriaBean() { }
public CriteriaBean( String field,
String op,
String val )
{
this.fieldName = field;
this.operation = op;
this.value = val;
}
public String getName() { return this.name; }
public String getOp() { return this.op; }
public String getVal() { return this.val; }
public void setName(String val) { this.name = val; }
public void setOp(String val) { this.op = val; }
public void setVal(String val) { this.val = val; }
有没有更好的方法来做到这一点???关闭!试试这个:
CriteriaBean[] filters = form.getWySelect() == null
? new CriteriaBean[] {}
: new CriteriaBean[] {
new CriteriaBean("WORKLOAD_YEAR","=","2012")
};
此代码使用语法根据条件使用备用初始值设定项。我想我看到了它在做什么…
DetFilterCriteriaBean[]filters=form.getWySelect()
…如果我有更多的表单变量怎么办?像3个不同的,就像我硬编码的一样