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iReport+jasperReport之NoXML

jasperReport的這個(gè)包net.sf.jasperreports.engine.design 是這樣描述的：Contains design time implementations for the library's main interfaces as well as report compiling tools.因此我們完全可以使用它的API構(gòu)建自己的報(bào)表，還是和前幾篇使用同一個(gè)數(shù)據(jù)庫表。
構(gòu)建JasperDesign對(duì)象：
設(shè)置一些對(duì)應(yīng)的屬性：

// JasperDesign
        JasperDesign jasperDesign = new JasperDesign();
        jasperDesign.setName("NoXmlDesignReport");
        jasperDesign.setPageWidth(595);
        jasperDesign.setPageHeight(842);
        jasperDesign.setColumnWidth(515);
        jasperDesign.setColumnSpacing(0);
        jasperDesign.setLeftMargin(40);
        jasperDesign.setRightMargin(40);
        jasperDesign.setTopMargin(50);
        jasperDesign.setBottomMargin(50);

字體：

// Fonts

JRDesignStyle normalStyle = new JRDesignStyle();

normalStyle.setName("Arial_Normal");

normalStyle.setDefault(true);

normalStyle.setFontName("Arial");

normalStyle.setFontSize(12);

normalStyle.setPdfFontName("Helvetica");

normalStyle.setPdfEncoding("Cp1252");

normalStyle.setPdfEmbedded(false);

jasperDesign.addStyle(normalStyle);

JRDesignStyle boldStyle = new JRDesignStyle();

boldStyle.setName("Arial_Bold");

boldStyle.setFontName("Arial");

boldStyle.setFontSize(12);

boldStyle.setBold(true);

boldStyle.setPdfFontName("Helvetica-Bold");

boldStyle.setPdfEncoding("Cp1252");

boldStyle.setPdfEmbedded(false);

jasperDesign.addStyle(boldStyle);

JRDesignStyle italicStyle = new JRDesignStyle();

italicStyle.setName("Arial_Italic");

italicStyle.setFontName("Arial");

italicStyle.setFontSize(12);

italicStyle.setItalic(true);

italicStyle.setPdfFontName("Helvetica-Oblique");

italicStyle.setPdfEncoding("Cp1252");

italicStyle.setPdfEmbedded(false);

jasperDesign.addStyle(italicStyle);

定義報(bào)表的參數(shù)，并添加到報(bào)表設(shè)計(jì)器上

// Parameters

JRDesignParameter parameter = new JRDesignParameter();

parameter.setName("ReportTitle");

parameter.setValueClass(java.lang.String.class);

jasperDesign.addParameter(parameter);

定義報(bào)表的字段，這些字段是最終顯示到報(bào)表上的域

// Fields

JRDesignField field = new JRDesignField();

field.setName("userid");

field.setValueClass(java.lang.Integer.class);

jasperDesign.addField(field);

field = new JRDesignField();

field.setName("name");

field.setValueClass(java.lang.String.class);

jasperDesign.addField(field);

field = new JRDesignField();

field.setName("sex");

field.setValueClass(java.lang.String.class);

jasperDesign.addField(field);

field = new JRDesignField();

field.setName("age");

field.setValueClass(java.lang.String.class);

jasperDesign.addField(field);

field = new JRDesignField();

field.setName("password");

field.setValueClass(java.lang.String.class);

jasperDesign.addField(field);

field = new JRDesignField();

field.setName("department");

field.setValueClass(java.lang.String.class);

jasperDesign.addField(field);

JRDesignBand band = null;

JRDesignTextField textField = null;

JRDesignExpression expression = null;

開始畫報(bào)表主體的title部分，不需要的部分可以不用代碼標(biāo)識(shí)出來，title部分放置了報(bào)表標(biāo)題字段，只會(huì)出現(xiàn)在第一頁的上方

// title

band = new JRDesignBand();

band.setHeight(50);

textField = new JRDesignTextField();

textField.setBlankWhenNull(true);

textField.setX(0);

textField.setY(10);

textField.setWidth(500);

textField.setHeight(30);

textField.setHorizontalAlignment(JRAlignment.HORIZONTAL_ALIGN_CENTER);

textField.setStyle(normalStyle);

textField.setFontSize(22);

expression = new JRDesignExpression();

expression.setValueClass(java.lang.String.class);

expression.setText("$P{ReportTitle}");

textField.setExpression(expression);

band.addElement(textField);

jasperDesign.setTitle(band);

detail部分：排列域的位置，并設(shè)置它的值，沒一個(gè)域的值會(huì)最為一個(gè) JRDesignExpression出現(xiàn)

// Detail

// pid

band = new JRDesignBand();

band.setHeight(20);

textField = new JRDesignTextField();

textField.setX(5);

textField.setY(4);

textField.setWidth(100);

textField.setHeight(15);

textField.setHorizontalAlignment(JRAlignment.HORIZONTAL_ALIGN_RIGHT);

textField.setStyle(normalStyle);

expression = new JRDesignExpression();

expression.setValueClass(java.lang.Integer.class);

expression.setText("$F{userid}");

textField.setExpression(expression);

band.addElement(textField);

// name

textField = new JRDesignTextField();

textField.setStretchWithOverflow(true);

textField.setX(120);

textField.setY(4);

textField.setWidth(80);

textField.setHeight(15);

textField.setPositionType(JRElement.POSITION_TYPE_FLOAT);

textField.setStyle(normalStyle);

expression = new JRDesignExpression();

expression.setValueClass(java.lang.String.class);

expression.setText("$F{name}");

textField.setExpression(expression);

band.addElement(textField);

// sex

textField = new JRDesignTextField();

textField.setStretchWithOverflow(true);

textField.setX(200);

textField.setY(4);

textField.setWidth(30);

textField.setHeight(15);

textField.setPositionType(JRElement.POSITION_TYPE_FLOAT);

textField.setStyle(normalStyle);

expression = new JRDesignExpression();

expression.setValueClass(java.lang.String.class);

expression.setText("$F{sex}");

textField.setExpression(expression);

band.addElement(textField);

// age

textField = new JRDesignTextField();

textField.setStretchWithOverflow(true);

textField.setX(240);

textField.setY(4);

textField.setWidth(30);

textField.setHeight(15);

textField.setPositionType(JRElement.POSITION_TYPE_FLOAT);

textField.setStyle(normalStyle);

expression = new JRDesignExpression();

expression.setValueClass(java.lang.String.class);

expression.setText("$F{age}");

textField.setExpression(expression);

band.addElement(textField);

// password

textField = new JRDesignTextField();

textField.setStretchWithOverflow(true);

textField.setX(270);

textField.setY(4);

textField.setWidth(80);

textField.setHeight(15);

textField.setPositionType(JRElement.POSITION_TYPE_FLOAT);

textField.setStyle(normalStyle);

expression = new JRDesignExpression();

expression.setValueClass(java.lang.String.class);

expression.setText("$F{password}");

textField.setExpression(expression);

band.addElement(textField);

// department

textField = new JRDesignTextField();

textField.setStretchWithOverflow(true);

textField.setX(350);

textField.setY(4);

textField.setWidth(80);

textField.setHeight(15);

textField.setPositionType(JRElement.POSITION_TYPE_FLOAT);

textField.setStyle(normalStyle);

expression = new JRDesignExpression();

expression.setValueClass(java.lang.String.class);

expression.setText("$F{department}");

textField.setExpression(expression);

band.addElement(textField);

JasperReport對(duì)象可以使用下面這句產(chǎn)生：

JasperCompileManager.compileReport(jasperDesign);

至此一個(gè)完整的報(bào)表就可以顯示出來了。

posted on 2008-12-16 13:27 凌晨風(fēng) 閱讀(2363) 評(píng)論(2) 編輯收藏所屬分類: iReport + JasperReport 系列

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