Javascript 优先级web sdk:记录已存在于表单中

所以我有一个接受它并将其解析为的。然后遍历类的内容，将数据填充到适当的列、表单和子表单中

如果没有已存在的记录，则执行此操作

但是调用该方法后，该函数将不返回任何结果

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有什么建议吗？

这个问题有点难理解。你能总结一下吗？至少是代码示例。很抱歉延迟-假期等。基本上问题是如何筛选子窗体。对于这个特定的应用程序，我使用了一个。但还不支持筛选子窗体：）同时，您可以检索所有行，然后在客户端中筛选结果，或者像以前一样使用REST API。把RESTAPI和WebSDK结合起来做得很好！！

util.get('/', function (req, res) {

    var requestBody = '';
    var msg;
    var curform;

    req.on('data', function (data) {
        requestBody += data;
    });

    req.on('end', function () {

        var ld = new Loading(null, JSON.parse(requestBody));
        Login(ld, curform).then(() => {
            res.simpleJSON(200, ld.log.toJSON)
        }).catch(() => {
            res.simpleJSON(200, ld.log.toJSON)
            })        

    });

    function Login(ld, curform) {
        return new Promise((resolve, reject) => {
            console.log("Connecting...");
            priority.login(config).then(() => {
                console.log("Opening form %s.", ld.name);
                priority.formStart(ld.name, null, null, 1).then(curform => {
                    curform.clearRows().then(() => {
                        iter(ld.rows, iterRow, curform).then(curform => {
                            console.log("Close form %s.", curform.name);
                            curform.endCurrentForm().then(() => {
                                resolve()
                            }).catch(err => { ld.log.setError(null, null, err); reject(err) })
                        }).catch(err => { ld.log.setError(null, null, err); reject(err) })
                    }).catch(err => { ld.log.setError(null, null, err); reject(err) })
                }).catch(err => { ld.log.setError(null, null, err); reject(err) })
            }).catch(err => { ld.log.setError(null, null, err); reject(err) })
        })
    }

    var iterRow = function (m, curform) {
        return new Promise((resolve, reject) => {
             iter(m.columns, iterField, curform).then(curform => {
                console.log("Saving form %s.", curform.name);
                curform.saveRow(0).then(() => {
                    m.sucsess();
                    iter(m.subLoadings, iterForm, curform).then(curform => {  
                        if (m.$index < m.parent.rows.length-1) {
                            console.log("New row in form %s.", curform.name);
                            curform.newRow().then(() => {
                                resolve(curform)
                            }).catch(err => reject(err))
                        } else {
                            resolve(curform)
                        }
                    }).catch(err => reject(err))
                }).catch(err => {
                    m.fail(err);
                    resolve(curform);
                })
            }).catch(err => reject(err))                   
        })
    }

    var iterForm = function (m, curform) {
        return new Promise((resolve, reject) => {  
            console.log("Opening sub form %s.", m.name);
            curform.startSubForm(m.name, null, null).then(curform => {
                curform = curform;
                console.log("New row in form %s.", curform.name);
                curform.newRow().then(() => {
                    iter(m.rows, iterRow, curform).then(curform => {
                        console.log("Closing sub form %s.", curform.name);                        
                        curform.endCurrentForm().then(() => {                                                        
                            resolve(curform);
                        }).catch(err => reject(err))
                    }).catch(err => reject(err))
                }).catch(err => reject(err))
            }).catch(err => reject(err))        
        })
    };

    var iterField = function (m, curform) {
        return new Promise((resolve, reject) => {   
            console.log("Set field %s = %s.", m.name, m.value);
            curform.fieldUpdate(m.name, m.value).then(() => {
                resolve(curform);
            }).catch(err => {
                if (err.message == "Record already exists in form.") {
                    SelectRow(m, curform).then(() => {
                        resolve();
                    }).catch(err => reject(err))
                } else {
                    reject(err)
                }
            })                
        })
    }

    /* Iterate function */
    function iter(ar, fn, result) {
        return new Promise((resolve, reject) => {    
            try {                 
                var cntr = 0;
                function next() {
                    if (cntr < ar.length) {
                        ar[cntr].$index = cntr;                
                        fn(ar[cntr], result).then(curform => {
                            cntr++;
                            next();
                        }).catch(err => reject(err));
                    } else {resolve(result)};
                };
                next();        
            } catch (err) { reject(err)}    
        })
    }

});

function SelectRow(m, curform) {
    return new Promise((resolve, reject) => {
        curform.undo().then(() => {
            curform.getRows(1).then(rows => {
                var cntr = 1;
                while (rows[curform.name][cntr] !== undefined) {
                    var f = 1;
                    for (var i in parent.rows[m.$index].columns) {
                        if (rows[cntr][parent.rows[m.$index].columns[i].name] !== parent.rows[m.$index].columns[i].value) {
                            f = 0;
                        }
                    }
                    if (f == 1) {
                        curform.setActiveRow(cntr).then(() => {
                            resolve();
                        })
                    } else { cntr++; }

                }
                resolve();

            }).catch(err => reject(err))
        }).catch(err => reject(err))
    })
}