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android - 如何以天为单位显示日期差异?

转载 作者:行者123 更新时间:2023-11-30 03:57:42 24 4
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我需要从数据库中的值中获取实际日期并减去日期,现在的日期是现在,数据库中的日期是this.vencimento .

  public boolean getDiasVencido() {
boolean diasvencido = false;

SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
Date datahora = null;
try {
datahora = (Date) formatter.parse(this.vencimento);
} catch (ParseException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
Date now = new Date();
if(datahora.compareTo(now) < 0 ) {


long diff = "DATE NOW - DATE FROM DATABASE (this.vencimento)";
long days = diff / (24 * 60 * 60 * 1000);

diasvencido = true;

}
return diasvencido;
}

类中设置的变量:

     public class classetitulo {

private String documento;
private String vencimento;
private Double valor;
private Double multa;
private Double juros;

public classetitulo() {}

public classetitulo(String documento, String vencimento, Double valor, Double multa, Double juros) {
this.documento = documento;
this.vencimento = vencimento;
this.valor = valor;
this.juros = juros;
this.multa = multa;
}

我不知道该怎么做。提前致谢。

最佳答案

试试这个:

this.diasvencido = Integer.parseInt(""+(((now.getTime() - datahora.getTime())/(1000 * 60 * 60 * 24))));

它将及时获取日期,并按天计时,将结果提供给 Days。

关于android - 如何以天为单位显示日期差异?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/13092216/

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