我正在为一个相当小的项目编写自己的搜索。搜索页面由g:selects组成,它们由域对象字段填充,如下所示:
<g:form action="list" method="GET">
Last Name <g:select id="lastName" name="searchedLName" from="${StudentEntry.list(sort:lastName, order:desc)}"
noSelection="['null':'None']" optionValue="lastName" value="${params.searchedLName}"/><br/>
Submitted By <g:select id="submitter" name="searchedSubmitter" from="${UserAuth.list(sort:userName, order:desc)}"
noSelection="['null':'None']" optionValue="userName" value="${params.searchedSubmitter}"/><br/>
<button id="submitIt" type="submit">Search</button>
这是域对象的片段
class StudentEntry {
String firstName
String lastName
String submittedBy
String toString() {
lastName + ", " + firstName
}
这是一些引导数据
def entry1 = new StudentEntry {
firstName: "John"
lastName: "Smith"
submittedBy: "Jane Doe"
}
def entry2 = new StudentEntry {
firstName: "James"
lastName: "Jones"
submittedBy: "Jane Doe"
}
这是来自StudentEntryController的列表的代码
def list(params) {
def result
println "Searched Last Name: " + params?.searchedLName
def theLastName = params?.searchedLName
println "Searched Last Name: " + theLastName
println "Searched Submitter: " + params?.searchedSubmitter
def theSubmitter = params?.searchedSubmitter
println "Searched Submitter: " + theSubmitter
if(params) {
result = StudentEntry.findAllWhere(lastName: theLastName, submitter: theSubmitter)
//render...
当我运行搜索时,println语句输出与所选值关联的域对象的StudentEntry类的toString方法。例如,如果我搜索lastName =“Jones”,则println将输出
Searched Last Name: Jones, James
。当我想查看James Jones的条目时,我的render方法返回一个空列表。将对象的属性而不是对象本身传递给findAllWhere方法的正确方法是什么?
最佳答案
似乎我忽略了将要搜索的字段指定为g:select中的optionKey
属性。 println
语句现在正在输出所需的数据。
关于grails - 如何在Grails搜索中返回域对象的属性?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/31702097/