Grails 2.4.4 动态一对多表单

Grails 2.4.4 Dynamic One-to-Many Forms

我遇到了一个已知的老话题,奇怪的是,它的记录很糟糕(如果有记录的话)。我一直在尝试为 Grails 2.4.4 中具有一对多关系的表单创建动态 table,为此我不得不以 2.1

的教程为基础

我正在使用 writetable jQuery plugin 来帮助我为表单开发一个美观的响应式 HTML,它非常有用。它完全按预期工作,并在我删除一行时生成此 HTML 摘录:

示例 1: 尝试删除第 1 行(从零开始)(按第 1 行上的删除按钮)

<input type='hidden' name='faixas[1].deleted' value='true'/>

鉴于 classes:

package mobvida

class Questionario {
    String titulo
    int score = 0
    List faixas
    List questoes

    static belongsTo = [usuario:Usuario]
    static hasMany = [ questoes : Questao,
                       faixas : Faixa ]

    static constraints = {
    }

    static mapping = {
        faixas cascade: "all-delete-orphan"
    }
}

class Faixa {
    int limiteInf
    int limiteSup
    String nome

    boolean deleted

    static transients = [ 'deleted' ]
    static belongsTo = [questionario: Questionario]
    static constraints = {
    }

    def String toString() {
        return "${nome} (${limiteInf} - ${limiteSup})"
    }
}

QuestionarioController.groovy 文件中,我在控制器 class 下有以下内容:

@Transactional
def update(Questionario questionarioInstance) {
    if (questionarioInstance == null) {
        notFound()
        return
    }

    questionarioInstance.faixas.removeAll{(it.deleted || (it == null))}
    // questionarioInstance.questoes.removeAll{(it.deleted || (it == null))}

    log.info "${questionarioInstance}"

    for (it in questionarioInstance.faixas) {
        log.info "${it}(${it.id}) state: ${it.deleted}"
    }
    //...

我不会删除任何内容,即使在提交前将 html 添加到页面。通过 update() 方法的日志说明,我能够看到我试图删除的行将属性 deleted 保持为 false。问题是...我在这里删除了什么?

static constraints = {        
        deleted bindable: true
    }