[TOC] ## 概述 QFormLayout管理輸入型控件和關聯的標簽組成的那些Form表單 QFormLayout::RowWrapPolicy枚舉 |內容| 值| 描述 效果| |---|---|---| |QFormLayout::DontWrapRows |0| 輸入框始終在標簽旁邊 這里寫圖片描述| |QFormLayout::WrapLongRows |1| 標簽有足夠的空間適應，如果最小大小比可用空間大，輸入框會被換到下一行 這里寫圖片描述| |QFormLayout::WrapAllRows |2 |輸入框始終在標簽下邊 這里寫圖片描述| ## 示例 ### Simple ``` QFormLayout *pLayout = new QFormLayout(); pLayout->addRow(QStringLiteral("用戶名："), pUserLineEdit); pLayout->addRow(QStringLiteral("密碼："), pPasswordLineEdit); pLayout->addRow(QStringLiteral("驗證碼："), pVerifyLineEdit); pLayout->setSpacing(10); pLayout->setMargin(10); setLayout(pLayout); ``` 與QGridLayout比較 ``` QLabel *pUserNameLabel = new QLabel(this); QLabel *pPasswordLabel = new QLabel(this); QLabel *pVerifyLabel = new QLabel(this); pUserNameLabel->setText(QStringLiteral("用戶名：")); pPasswordLabel->setText(QStringLiteral("密碼：")); pVerifyLabel->setText(QStringLiteral("驗證碼：")); QGridLayout *pLayout = new QGridLayout(); pLayout->addWidget(pUserNameLabel, 0, 0); pLayout->addWidget(pUserLineEdit, 0, 1); pLayout->addWidget(pPasswordLabel, 1, 0); pLayout->addWidget(pPasswordLineEdit, 1, 1); pLayout->addWidget(pVerifyLabel, 2, 0); pLayout->addWidget(pVerifyLineEdit, 2, 1); pLayout->setSpacing(10); pLayout->setMargin(10); setLayout(pLayout); ```